Home / 746,707.29-1,120,061.52-319,966.38

Finding the Fourth Proportional to 746,707.29, 1,120,061.52 and 319,966.38

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Solution

The fourth proportional to 746,707.29, 1,120,061.52 and 319,966.38 is: 479,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,707.29 : 1,120,061.52 = 319,966.38 : x
  2. Step 2: Convert to fraction form
    746,707.29/1,120,061.52 = 319,966.38/x
  3. Step 3: Cross multiply
    746,707.29x = 1,120,061.52 × 319,966.38
  4. Step 4: Simplify right side
    746,707.29x = 358,382,029,931.70
  5. Step 5: Solve for x
    x = 358,382,029,931.70/746,707.29
  6. Step 6: Final answer
    x = 479,949.82

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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.