Home / 747,803.72-1,121,470.29-242,247.40

Finding the Fourth Proportional to 747,803.72, 1,121,470.29 and 242,247.40

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Solution

The fourth proportional to 747,803.72, 1,121,470.29 and 242,247.40 is: 363,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,803.72 : 1,121,470.29 = 242,247.40 : x
  2. Step 2: Convert to fraction form
    747,803.72/1,121,470.29 = 242,247.40/x
  3. Step 3: Cross multiply
    747,803.72x = 1,121,470.29 × 242,247.40
  4. Step 4: Simplify right side
    747,803.72x = 271,673,256,867.68
  5. Step 5: Solve for x
    x = 271,673,256,867.68/747,803.72
  6. Step 6: Final answer
    x = 363,294.87

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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.