Home / 672,507.41-928,026.36-382,080.96

Finding the Fourth Proportional to 672,507.41, 928,026.36 and 382,080.96

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Solution

The fourth proportional to 672,507.41, 928,026.36 and 382,080.96 is: 527,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,507.41 : 928,026.36 = 382,080.96 : x
  2. Step 2: Convert to fraction form
    672,507.41/928,026.36 = 382,080.96/x
  3. Step 3: Cross multiply
    672,507.41x = 928,026.36 × 382,080.96
  4. Step 4: Simplify right side
    672,507.41x = 354,581,202,534.11
  5. Step 5: Solve for x
    x = 354,581,202,534.11/672,507.41
  6. Step 6: Final answer
    x = 527,252.49

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Double scale
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Similar ratio
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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.