Home / 747,550.80-1,121,490.23-242,135.10

Finding the Fourth Proportional to 747,550.80, 1,121,490.23 and 242,135.10

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Solution

The fourth proportional to 747,550.80, 1,121,490.23 and 242,135.10 is: 363,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,550.80 : 1,121,490.23 = 242,135.10 : x
  2. Step 2: Convert to fraction form
    747,550.80/1,121,490.23 = 242,135.10/x
  3. Step 3: Cross multiply
    747,550.80x = 1,121,490.23 × 242,135.10
  4. Step 4: Simplify right side
    747,550.80x = 271,552,147,779.40
  5. Step 5: Solve for x
    x = 271,552,147,779.40/747,550.80
  6. Step 6: Final answer
    x = 363,255.78

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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.