Home / 880,119.96-1,214,357.40-498,146.76

Finding the Fourth Proportional to 880,119.96, 1,214,357.40 and 498,146.76

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Solution

The fourth proportional to 880,119.96, 1,214,357.40 and 498,146.76 is: 687,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,119.96 : 1,214,357.40 = 498,146.76 : x
  2. Step 2: Convert to fraction form
    880,119.96/1,214,357.40 = 498,146.76/x
  3. Step 3: Cross multiply
    880,119.96x = 1,214,357.40 × 498,146.76
  4. Step 4: Simplify right side
    880,119.96x = 604,928,204,292.02
  5. Step 5: Solve for x
    x = 604,928,204,292.02/880,119.96
  6. Step 6: Final answer
    x = 687,324.72

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Half scale
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Double scale
Find fourth proportional to 880,120.96, 1,214,358.78 and 498,147.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.