Home / 499,297.15-689,034.24-284,433.85

Finding the Fourth Proportional to 499,297.15, 689,034.24 and 284,433.85

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Solution

The fourth proportional to 499,297.15, 689,034.24 and 284,433.85 is: 392,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,297.15 : 689,034.24 = 284,433.85 : x
  2. Step 2: Convert to fraction form
    499,297.15/689,034.24 = 284,433.85/x
  3. Step 3: Cross multiply
    499,297.15x = 689,034.24 × 284,433.85
  4. Step 4: Simplify right side
    499,297.15x = 195,984,661,665.02
  5. Step 5: Solve for x
    x = 195,984,661,665.02/499,297.15
  6. Step 6: Final answer
    x = 392,521.09

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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.