Home / 758,319.22-1,137,691.41-331,892.20

Finding the Fourth Proportional to 758,319.22, 1,137,691.41 and 331,892.20

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Solution

The fourth proportional to 758,319.22, 1,137,691.41 and 331,892.20 is: 497,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,319.22 : 1,137,691.41 = 331,892.20 : x
  2. Step 2: Convert to fraction form
    758,319.22/1,137,691.41 = 331,892.20/x
  3. Step 3: Cross multiply
    758,319.22x = 1,137,691.41 × 331,892.20
  4. Step 4: Simplify right side
    758,319.22x = 377,590,904,986.00
  5. Step 5: Solve for x
    x = 377,590,904,986.00/758,319.22
  6. Step 6: Final answer
    x = 497,931.34

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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.