Home / 746,930.20-1,119,164.10-430,835.80

Finding the Fourth Proportional to 746,930.20, 1,119,164.10 and 430,835.80

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Solution

The fourth proportional to 746,930.20, 1,119,164.10 and 430,835.80 is: 645,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,930.20 : 1,119,164.10 = 430,835.80 : x
  2. Step 2: Convert to fraction form
    746,930.20/1,119,164.10 = 430,835.80/x
  3. Step 3: Cross multiply
    746,930.20x = 1,119,164.10 × 430,835.80
  4. Step 4: Simplify right side
    746,930.20x = 482,175,960,354.78
  5. Step 5: Solve for x
    x = 482,175,960,354.78/746,930.20
  6. Step 6: Final answer
    x = 645,543.53

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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.