Home / 968,545.32-1,336,610.52-538,865.43

Finding the Fourth Proportional to 968,545.32, 1,336,610.52 and 538,865.43

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Solution

The fourth proportional to 968,545.32, 1,336,610.52 and 538,865.43 is: 743,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,545.32 : 1,336,610.52 = 538,865.43 : x
  2. Step 2: Convert to fraction form
    968,545.32/1,336,610.52 = 538,865.43/x
  3. Step 3: Cross multiply
    968,545.32x = 1,336,610.52 × 538,865.43
  4. Step 4: Simplify right side
    968,545.32x = 720,253,202,602.32
  5. Step 5: Solve for x
    x = 720,253,202,602.32/968,545.32
  6. Step 6: Final answer
    x = 743,644.30

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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.