Home / 773,446.60-1,160,169.90-419,152.60

Finding the Fourth Proportional to 773,446.60, 1,160,169.90 and 419,152.60

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Solution

The fourth proportional to 773,446.60, 1,160,169.90 and 419,152.60 is: 628,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,446.60 : 1,160,169.90 = 419,152.60 : x
  2. Step 2: Convert to fraction form
    773,446.60/1,160,169.90 = 419,152.60/x
  3. Step 3: Cross multiply
    773,446.60x = 1,160,169.90 × 419,152.60
  4. Step 4: Simplify right side
    773,446.60x = 486,288,230,026.74
  5. Step 5: Solve for x
    x = 486,288,230,026.74/773,446.60
  6. Step 6: Final answer
    x = 628,728.90

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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.