Home / 668,492.24-1,002,212.40-331,301.12

Finding the Fourth Proportional to 668,492.24, 1,002,212.40 and 331,301.12

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Solution

The fourth proportional to 668,492.24, 1,002,212.40 and 331,301.12 is: 496,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,492.24 : 1,002,212.40 = 331,301.12 : x
  2. Step 2: Convert to fraction form
    668,492.24/1,002,212.40 = 331,301.12/x
  3. Step 3: Cross multiply
    668,492.24x = 1,002,212.40 × 331,301.12
  4. Step 4: Simplify right side
    668,492.24x = 332,034,090,597.89
  5. Step 5: Solve for x
    x = 332,034,090,597.89/668,492.24
  6. Step 6: Final answer
    x = 496,691.02

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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.