Home / 614,723.70-922,085.55-425,766.90

Finding the Fourth Proportional to 614,723.70, 922,085.55 and 425,766.90

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Solution

The fourth proportional to 614,723.70, 922,085.55 and 425,766.90 is: 638,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,723.70 : 922,085.55 = 425,766.90 : x
  2. Step 2: Convert to fraction form
    614,723.70/922,085.55 = 425,766.90/x
  3. Step 3: Cross multiply
    614,723.70x = 922,085.55 × 425,766.90
  4. Step 4: Simplify right side
    614,723.70x = 392,593,506,158.30
  5. Step 5: Solve for x
    x = 392,593,506,158.30/614,723.70
  6. Step 6: Final answer
    x = 638,650.35

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Similar ratio
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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.