Home / 880,572.42-1,215,194.72-498,673.62

Finding the Fourth Proportional to 880,572.42, 1,215,194.72 and 498,673.62

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Solution

The fourth proportional to 880,572.42, 1,215,194.72 and 498,673.62 is: 688,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,572.42 : 1,215,194.72 = 498,673.62 : x
  2. Step 2: Convert to fraction form
    880,572.42/1,215,194.72 = 498,673.62/x
  3. Step 3: Cross multiply
    880,572.42x = 1,215,194.72 × 498,673.62
  4. Step 4: Simplify right side
    880,572.42x = 605,985,547,533.92
  5. Step 5: Solve for x
    x = 605,985,547,533.92/880,572.42
  6. Step 6: Final answer
    x = 688,172.30

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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.