Home / 672,819.78-1,009,229.46-461,818.02

Finding the Fourth Proportional to 672,819.78, 1,009,229.46 and 461,818.02

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Solution

The fourth proportional to 672,819.78, 1,009,229.46 and 461,818.02 is: 692,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,819.78 : 1,009,229.46 = 461,818.02 : x
  2. Step 2: Convert to fraction form
    672,819.78/1,009,229.46 = 461,818.02/x
  3. Step 3: Cross multiply
    672,819.78x = 1,009,229.46 × 461,818.02
  4. Step 4: Simplify right side
    672,819.78x = 466,080,350,942.87
  5. Step 5: Solve for x
    x = 466,080,350,942.87/672,819.78
  6. Step 6: Final answer
    x = 692,726.89

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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.