Home / 711,785.20-982,234.18-425,463.16

Finding the Fourth Proportional to 711,785.20, 982,234.18 and 425,463.16

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Solution

The fourth proportional to 711,785.20, 982,234.18 and 425,463.16 is: 587,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,785.20 : 982,234.18 = 425,463.16 : x
  2. Step 2: Convert to fraction form
    711,785.20/982,234.18 = 425,463.16/x
  3. Step 3: Cross multiply
    711,785.20x = 982,234.18 × 425,463.16
  4. Step 4: Simplify right side
    711,785.20x = 417,904,458,082.81
  5. Step 5: Solve for x
    x = 417,904,458,082.81/711,785.20
  6. Step 6: Final answer
    x = 587,121.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.