Home / 513,058.24-769,600.80-243,123.04

Finding the Fourth Proportional to 513,058.24, 769,600.80 and 243,123.04

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Solution

The fourth proportional to 513,058.24, 769,600.80 and 243,123.04 is: 364,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,058.24 : 769,600.80 = 243,123.04 : x
  2. Step 2: Convert to fraction form
    513,058.24/769,600.80 = 243,123.04/x
  3. Step 3: Cross multiply
    513,058.24x = 769,600.80 × 243,123.04
  4. Step 4: Simplify right side
    513,058.24x = 187,107,686,082.43
  5. Step 5: Solve for x
    x = 187,107,686,082.43/513,058.24
  6. Step 6: Final answer
    x = 364,690.93

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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.