Home / 727,339.20-1,088,416.80-461,227.20

Finding the Fourth Proportional to 727,339.20, 1,088,416.80 and 461,227.20

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Solution

The fourth proportional to 727,339.20, 1,088,416.80 and 461,227.20 is: 690,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,339.20 : 1,088,416.80 = 461,227.20 : x
  2. Step 2: Convert to fraction form
    727,339.20/1,088,416.80 = 461,227.20/x
  3. Step 3: Cross multiply
    727,339.20x = 1,088,416.80 × 461,227.20
  4. Step 4: Simplify right side
    727,339.20x = 502,007,433,096.96
  5. Step 5: Solve for x
    x = 502,007,433,096.96/727,339.20
  6. Step 6: Final answer
    x = 690,197.14

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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.