Home / 583,695.28-872,874.78-424,306.72

Finding the Fourth Proportional to 583,695.28, 872,874.78 and 424,306.72

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Solution

The fourth proportional to 583,695.28, 872,874.78 and 424,306.72 is: 634,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,695.28 : 872,874.78 = 424,306.72 : x
  2. Step 2: Convert to fraction form
    583,695.28/872,874.78 = 424,306.72/x
  3. Step 3: Cross multiply
    583,695.28x = 872,874.78 × 424,306.72
  4. Step 4: Simplify right side
    583,695.28x = 370,366,634,872.52
  5. Step 5: Solve for x
    x = 370,366,634,872.52/583,695.28
  6. Step 6: Final answer
    x = 634,520.52

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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.