Home / 729,821.61-1,007,627.73-653,207.85

Finding the Fourth Proportional to 729,821.61, 1,007,627.73 and 653,207.85

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Solution

The fourth proportional to 729,821.61, 1,007,627.73 and 653,207.85 is: 901,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,821.61 : 1,007,627.73 = 653,207.85 : x
  2. Step 2: Convert to fraction form
    729,821.61/1,007,627.73 = 653,207.85/x
  3. Step 3: Cross multiply
    729,821.61x = 1,007,627.73 × 653,207.85
  4. Step 4: Simplify right side
    729,821.61x = 658,190,343,113.68
  5. Step 5: Solve for x
    x = 658,190,343,113.68/729,821.61
  6. Step 6: Final answer
    x = 901,850.99

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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.