Home / 672,425.40-1,008,638.10-251,646.60

Finding the Fourth Proportional to 672,425.40, 1,008,638.10 and 251,646.60

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Solution

The fourth proportional to 672,425.40, 1,008,638.10 and 251,646.60 is: 377,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,425.40 : 1,008,638.10 = 251,646.60 : x
  2. Step 2: Convert to fraction form
    672,425.40/1,008,638.10 = 251,646.60/x
  3. Step 3: Cross multiply
    672,425.40x = 1,008,638.10 × 251,646.60
  4. Step 4: Simplify right side
    672,425.40x = 253,820,348,495.46
  5. Step 5: Solve for x
    x = 253,820,348,495.46/672,425.40
  6. Step 6: Final answer
    x = 377,469.90

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Double scale
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Similar ratio
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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.