Home / 672,348.60-1,008,522.90-251,602.20

Finding the Fourth Proportional to 672,348.60, 1,008,522.90 and 251,602.20

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Solution

The fourth proportional to 672,348.60, 1,008,522.90 and 251,602.20 is: 377,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,348.60 : 1,008,522.90 = 251,602.20 : x
  2. Step 2: Convert to fraction form
    672,348.60/1,008,522.90 = 251,602.20/x
  3. Step 3: Cross multiply
    672,348.60x = 1,008,522.90 × 251,602.20
  4. Step 4: Simplify right side
    672,348.60x = 253,746,580,390.38
  5. Step 5: Solve for x
    x = 253,746,580,390.38/672,348.60
  6. Step 6: Final answer
    x = 377,403.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.