Home / 710,565.30-1,065,717.24-311,131.62

Finding the Fourth Proportional to 710,565.30, 1,065,717.24 and 311,131.62

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Solution

The fourth proportional to 710,565.30, 1,065,717.24 and 311,131.62 is: 466,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,565.30 : 1,065,717.24 = 311,131.62 : x
  2. Step 2: Convert to fraction form
    710,565.30/1,065,717.24 = 311,131.62/x
  3. Step 3: Cross multiply
    710,565.30x = 1,065,717.24 × 311,131.62
  4. Step 4: Simplify right side
    710,565.30x = 331,578,331,343.13
  5. Step 5: Solve for x
    x = 331,578,331,343.13/710,565.30
  6. Step 6: Final answer
    x = 466,640.20

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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.