Home / 747,327.78-1,121,169.60-241,888.84

Finding the Fourth Proportional to 747,327.78, 1,121,169.60 and 241,888.84

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Solution

The fourth proportional to 747,327.78, 1,121,169.60 and 241,888.84 is: 362,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,327.78 : 1,121,169.60 = 241,888.84 : x
  2. Step 2: Convert to fraction form
    747,327.78/1,121,169.60 = 241,888.84/x
  3. Step 3: Cross multiply
    747,327.78x = 1,121,169.60 × 241,888.84
  4. Step 4: Simplify right side
    747,327.78x = 271,198,411,184.34
  5. Step 5: Solve for x
    x = 271,198,411,184.34/747,327.78
  6. Step 6: Final answer
    x = 362,890.85

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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.