Home / 425,519.18-587,174.41-253,402.91

Finding the Fourth Proportional to 425,519.18, 587,174.41 and 253,402.91

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Solution

The fourth proportional to 425,519.18, 587,174.41 and 253,402.91 is: 349,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,519.18 : 587,174.41 = 253,402.91 : x
  2. Step 2: Convert to fraction form
    425,519.18/587,174.41 = 253,402.91/x
  3. Step 3: Cross multiply
    425,519.18x = 587,174.41 × 253,402.91
  4. Step 4: Simplify right side
    425,519.18x = 148,791,704,171.53
  5. Step 5: Solve for x
    x = 148,791,704,171.53/425,519.18
  6. Step 6: Final answer
    x = 349,670.97

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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.