Home / 739,545.64-1,020,552.20-417,285.72

Finding the Fourth Proportional to 739,545.64, 1,020,552.20 and 417,285.72

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Solution

The fourth proportional to 739,545.64, 1,020,552.20 and 417,285.72 is: 575,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,545.64 : 1,020,552.20 = 417,285.72 : x
  2. Step 2: Convert to fraction form
    739,545.64/1,020,552.20 = 417,285.72/x
  3. Step 3: Cross multiply
    739,545.64x = 1,020,552.20 × 417,285.72
  4. Step 4: Simplify right side
    739,545.64x = 425,861,859,574.58
  5. Step 5: Solve for x
    x = 425,861,859,574.58/739,545.64
  6. Step 6: Final answer
    x = 575,842.57

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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.