Home / 840,560.30-1,159,967.49-477,984.14

Finding the Fourth Proportional to 840,560.30, 1,159,967.49 and 477,984.14

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Solution

The fourth proportional to 840,560.30, 1,159,967.49 and 477,984.14 is: 659,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,560.30 : 1,159,967.49 = 477,984.14 : x
  2. Step 2: Convert to fraction form
    840,560.30/1,159,967.49 = 477,984.14/x
  3. Step 3: Cross multiply
    840,560.30x = 1,159,967.49 × 477,984.14
  4. Step 4: Simplify right side
    840,560.30x = 554,446,063,135.61
  5. Step 5: Solve for x
    x = 554,446,063,135.61/840,560.30
  6. Step 6: Final answer
    x = 659,614.86

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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.