Home / 558,355.48-770,507.23-328,922.17

Finding the Fourth Proportional to 558,355.48, 770,507.23 and 328,922.17

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Solution

The fourth proportional to 558,355.48, 770,507.23 and 328,922.17 is: 453,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,355.48 : 770,507.23 = 328,922.17 : x
  2. Step 2: Convert to fraction form
    558,355.48/770,507.23 = 328,922.17/x
  3. Step 3: Cross multiply
    558,355.48x = 770,507.23 × 328,922.17
  4. Step 4: Simplify right side
    558,355.48x = 253,436,910,092.29
  5. Step 5: Solve for x
    x = 253,436,910,092.29/558,355.48
  6. Step 6: Final answer
    x = 453,898.85

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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.