Home / 747,809.20-1,121,478.54-242,252.92

Finding the Fourth Proportional to 747,809.20, 1,121,478.54 and 242,252.92

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Solution

The fourth proportional to 747,809.20, 1,121,478.54 and 242,252.92 is: 363,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,809.20 : 1,121,478.54 = 242,252.92 : x
  2. Step 2: Convert to fraction form
    747,809.20/1,121,478.54 = 242,252.92/x
  3. Step 3: Cross multiply
    747,809.20x = 1,121,478.54 × 242,252.92
  4. Step 4: Simplify right side
    747,809.20x = 271,681,451,032.34
  5. Step 5: Solve for x
    x = 271,681,451,032.34/747,809.20
  6. Step 6: Final answer
    x = 363,303.17

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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.