Home / 880,069.81-1,214,288.20-498,096.58

Finding the Fourth Proportional to 880,069.81, 1,214,288.20 and 498,096.58

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Solution

The fourth proportional to 880,069.81, 1,214,288.20 and 498,096.58 is: 687,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,069.81 : 1,214,288.20 = 498,096.58 : x
  2. Step 2: Convert to fraction form
    880,069.81/1,214,288.20 = 498,096.58/x
  3. Step 3: Cross multiply
    880,069.81x = 1,214,288.20 × 498,096.58
  4. Step 4: Simplify right side
    880,069.81x = 604,832,799,554.36
  5. Step 5: Solve for x
    x = 604,832,799,554.36/880,069.81
  6. Step 6: Final answer
    x = 687,255.48

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Double scale
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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.