Home / 347,760.30-521,640.45-337,918.80

Finding the Fourth Proportional to 347,760.30, 521,640.45 and 337,918.80

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Solution

The fourth proportional to 347,760.30, 521,640.45 and 337,918.80 is: 506,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760.30 : 521,640.45 = 337,918.80 : x
  2. Step 2: Convert to fraction form
    347,760.30/521,640.45 = 337,918.80/x
  3. Step 3: Cross multiply
    347,760.30x = 521,640.45 × 337,918.80
  4. Step 4: Simplify right side
    347,760.30x = 176,272,114,895.46
  5. Step 5: Solve for x
    x = 176,272,114,895.46/347,760.30
  6. Step 6: Final answer
    x = 506,878.20

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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.