Home / 769,746.60-1,156,002.30-559,621.80

Finding the Fourth Proportional to 769,746.60, 1,156,002.30 and 559,621.80

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Solution

The fourth proportional to 769,746.60, 1,156,002.30 and 559,621.80 is: 840,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,746.60 : 1,156,002.30 = 559,621.80 : x
  2. Step 2: Convert to fraction form
    769,746.60/1,156,002.30 = 559,621.80/x
  3. Step 3: Cross multiply
    769,746.60x = 1,156,002.30 × 559,621.80
  4. Step 4: Simplify right side
    769,746.60x = 646,924,087,930.14
  5. Step 5: Solve for x
    x = 646,924,087,930.14/769,746.60
  6. Step 6: Final answer
    x = 840,437.73

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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.