Home / 880,097.13-1,214,325.86-498,123.90

Finding the Fourth Proportional to 880,097.13, 1,214,325.86 and 498,123.90

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Solution

The fourth proportional to 880,097.13, 1,214,325.86 and 498,123.90 is: 687,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,097.13 : 1,214,325.86 = 498,123.90 : x
  2. Step 2: Convert to fraction form
    880,097.13/1,214,325.86 = 498,123.90/x
  3. Step 3: Cross multiply
    880,097.13x = 1,214,325.86 × 498,123.90
  4. Step 4: Simplify right side
    880,097.13x = 604,884,730,763.44
  5. Step 5: Solve for x
    x = 604,884,730,763.44/880,097.13
  6. Step 6: Final answer
    x = 687,293.15

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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.