Home / 438,935.15-658,354.89-297,687.76

Finding the Fourth Proportional to 438,935.15, 658,354.89 and 297,687.76

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Solution

The fourth proportional to 438,935.15, 658,354.89 and 297,687.76 is: 446,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,935.15 : 658,354.89 = 297,687.76 : x
  2. Step 2: Convert to fraction form
    438,935.15/658,354.89 = 297,687.76/x
  3. Step 3: Cross multiply
    438,935.15x = 658,354.89 × 297,687.76
  4. Step 4: Simplify right side
    438,935.15x = 195,984,190,285.10
  5. Step 5: Solve for x
    x = 195,984,190,285.10/438,935.15
  6. Step 6: Final answer
    x = 446,499.19

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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.