Home / 969,099.13-1,337,343.39-539,379.40

Finding the Fourth Proportional to 969,099.13, 1,337,343.39 and 539,379.40

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Solution

The fourth proportional to 969,099.13, 1,337,343.39 and 539,379.40 is: 744,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,099.13 : 1,337,343.39 = 539,379.40 : x
  2. Step 2: Convert to fraction form
    969,099.13/1,337,343.39 = 539,379.40/x
  3. Step 3: Cross multiply
    969,099.13x = 1,337,343.39 × 539,379.40
  4. Step 4: Simplify right side
    969,099.13x = 721,335,475,292.17
  5. Step 5: Solve for x
    x = 721,335,475,292.17/969,099.13
  6. Step 6: Final answer
    x = 744,336.11

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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.