Home / 662,945.40-994,418.10-382,231.80

Finding the Fourth Proportional to 662,945.40, 994,418.10 and 382,231.80

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Solution

The fourth proportional to 662,945.40, 994,418.10 and 382,231.80 is: 573,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,945.40 : 994,418.10 = 382,231.80 : x
  2. Step 2: Convert to fraction form
    662,945.40/994,418.10 = 382,231.80/x
  3. Step 3: Cross multiply
    662,945.40x = 994,418.10 × 382,231.80
  4. Step 4: Simplify right side
    662,945.40x = 380,098,220,315.58
  5. Step 5: Solve for x
    x = 380,098,220,315.58/662,945.40
  6. Step 6: Final answer
    x = 573,347.70

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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.