Home / 727,319.60-1,090,201.80-327,892.40

Finding the Fourth Proportional to 727,319.60, 1,090,201.80 and 327,892.40

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Solution

The fourth proportional to 727,319.60, 1,090,201.80 and 327,892.40 is: 491,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,319.60 : 1,090,201.80 = 327,892.40 : x
  2. Step 2: Convert to fraction form
    727,319.60/1,090,201.80 = 327,892.40/x
  3. Step 3: Cross multiply
    727,319.60x = 1,090,201.80 × 327,892.40
  4. Step 4: Simplify right side
    727,319.60x = 357,468,884,686.32
  5. Step 5: Solve for x
    x = 357,468,884,686.32/727,319.60
  6. Step 6: Final answer
    x = 491,488.04

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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.