Home / 663,736.60-994,827.30-497,330.20

Finding the Fourth Proportional to 663,736.60, 994,827.30 and 497,330.20

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Solution

The fourth proportional to 663,736.60, 994,827.30 and 497,330.20 is: 745,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,736.60 : 994,827.30 = 497,330.20 : x
  2. Step 2: Convert to fraction form
    663,736.60/994,827.30 = 497,330.20/x
  3. Step 3: Cross multiply
    663,736.60x = 994,827.30 × 497,330.20
  4. Step 4: Simplify right side
    663,736.60x = 494,757,660,074.46
  5. Step 5: Solve for x
    x = 494,757,660,074.46/663,736.60
  6. Step 6: Final answer
    x = 745,412.65

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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.