Home / 782,722.64-1,172,735.96-611,877.86

Finding the Fourth Proportional to 782,722.64, 1,172,735.96 and 611,877.86

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Solution

The fourth proportional to 782,722.64, 1,172,735.96 and 611,877.86 is: 916,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,722.64 : 1,172,735.96 = 611,877.86 : x
  2. Step 2: Convert to fraction form
    782,722.64/1,172,735.96 = 611,877.86/x
  3. Step 3: Cross multiply
    782,722.64x = 1,172,735.96 × 611,877.86
  4. Step 4: Simplify right side
    782,722.64x = 717,571,169,549.85
  5. Step 5: Solve for x
    x = 717,571,169,549.85/782,722.64
  6. Step 6: Final answer
    x = 916,763.02

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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.