Home / 927,472.14-1,391,340.31-287,831.14

Finding the Fourth Proportional to 927,472.14, 1,391,340.31 and 287,831.14

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Solution

The fourth proportional to 927,472.14, 1,391,340.31 and 287,831.14 is: 431,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,472.14 : 1,391,340.31 = 287,831.14 : x
  2. Step 2: Convert to fraction form
    927,472.14/1,391,340.31 = 287,831.14/x
  3. Step 3: Cross multiply
    927,472.14x = 1,391,340.31 × 287,831.14
  4. Step 4: Simplify right side
    927,472.14x = 400,471,063,357.33
  5. Step 5: Solve for x
    x = 400,471,063,357.33/927,472.14
  6. Step 6: Final answer
    x = 431,787.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.