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Finding the Fourth Proportional to 555,537.24, 766,637.82 and 313,898.04

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Solution

The fourth proportional to 555,537.24, 766,637.82 and 313,898.04 is: 433,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,537.24 : 766,637.82 = 313,898.04 : x
  2. Step 2: Convert to fraction form
    555,537.24/766,637.82 = 313,898.04/x
  3. Step 3: Cross multiply
    555,537.24x = 766,637.82 × 313,898.04
  4. Step 4: Simplify right side
    555,537.24x = 240,646,109,087.87
  5. Step 5: Solve for x
    x = 240,646,109,087.87/555,537.24
  6. Step 6: Final answer
    x = 433,177.28

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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.