Home / 754,677.90-1,129,064.40-488,957.40

Finding the Fourth Proportional to 754,677.90, 1,129,064.40 and 488,957.40

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Solution

The fourth proportional to 754,677.90, 1,129,064.40 and 488,957.40 is: 731,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,677.90 : 1,129,064.40 = 488,957.40 : x
  2. Step 2: Convert to fraction form
    754,677.90/1,129,064.40 = 488,957.40/x
  3. Step 3: Cross multiply
    754,677.90x = 1,129,064.40 × 488,957.40
  4. Step 4: Simplify right side
    754,677.90x = 552,064,393,456.56
  5. Step 5: Solve for x
    x = 552,064,393,456.56/754,677.90
  6. Step 6: Final answer
    x = 731,523.20

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1.5x scale

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.