Home / 727,415.70-1,090,605.15-327,729.30

Finding the Fourth Proportional to 727,415.70, 1,090,605.15 and 327,729.30

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Solution

The fourth proportional to 727,415.70, 1,090,605.15 and 327,729.30 is: 491,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,415.70 : 1,090,605.15 = 327,729.30 : x
  2. Step 2: Convert to fraction form
    727,415.70/1,090,605.15 = 327,729.30/x
  3. Step 3: Cross multiply
    727,415.70x = 1,090,605.15 × 327,729.30
  4. Step 4: Simplify right side
    727,415.70x = 357,423,262,385.90
  5. Step 5: Solve for x
    x = 357,423,262,385.90/727,415.70
  6. Step 6: Final answer
    x = 491,360.39

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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.