Home / 746,062.13-1,118,157.22-319,096.85

Finding the Fourth Proportional to 746,062.13, 1,118,157.22 and 319,096.85

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Solution

The fourth proportional to 746,062.13, 1,118,157.22 and 319,096.85 is: 478,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,062.13 : 1,118,157.22 = 319,096.85 : x
  2. Step 2: Convert to fraction form
    746,062.13/1,118,157.22 = 319,096.85/x
  3. Step 3: Cross multiply
    746,062.13x = 1,118,157.22 × 319,096.85
  4. Step 4: Simplify right side
    746,062.13x = 356,800,452,970.42
  5. Step 5: Solve for x
    x = 356,800,452,970.42/746,062.13
  6. Step 6: Final answer
    x = 478,244.96

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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.