Home / 588,028.77-811,515.11-346,472.33

Finding the Fourth Proportional to 588,028.77, 811,515.11 and 346,472.33

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Solution

The fourth proportional to 588,028.77, 811,515.11 and 346,472.33 is: 478,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,028.77 : 811,515.11 = 346,472.33 : x
  2. Step 2: Convert to fraction form
    588,028.77/811,515.11 = 346,472.33/x
  3. Step 3: Cross multiply
    588,028.77x = 811,515.11 × 346,472.33
  4. Step 4: Simplify right side
    588,028.77x = 281,167,530,991.91
  5. Step 5: Solve for x
    x = 281,167,530,991.91/588,028.77
  6. Step 6: Final answer
    x = 478,152.68

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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.