Home / 546,731.90-753,819.72-449,596.30

Finding the Fourth Proportional to 546,731.90, 753,819.72 and 449,596.30

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Solution

The fourth proportional to 546,731.90, 753,819.72 and 449,596.30 is: 619,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,731.90 : 753,819.72 = 449,596.30 : x
  2. Step 2: Convert to fraction form
    546,731.90/753,819.72 = 449,596.30/x
  3. Step 3: Cross multiply
    546,731.90x = 753,819.72 × 449,596.30
  4. Step 4: Simplify right side
    546,731.90x = 338,914,556,979.04
  5. Step 5: Solve for x
    x = 338,914,556,979.04/546,731.90
  6. Step 6: Final answer
    x = 619,891.68

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1.5x scale

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.