Home / 488,278.40-731,834.40-251,499.20

Finding the Fourth Proportional to 488,278.40, 731,834.40 and 251,499.20

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Solution

The fourth proportional to 488,278.40, 731,834.40 and 251,499.20 is: 376,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,278.40 : 731,834.40 = 251,499.20 : x
  2. Step 2: Convert to fraction form
    488,278.40/731,834.40 = 251,499.20/x
  3. Step 3: Cross multiply
    488,278.40x = 731,834.40 × 251,499.20
  4. Step 4: Simplify right side
    488,278.40x = 184,055,766,132.48
  5. Step 5: Solve for x
    x = 184,055,766,132.48/488,278.40
  6. Step 6: Final answer
    x = 376,948.41

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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.