Home / 888,129.08-1,225,625.04-490,319.88

Finding the Fourth Proportional to 888,129.08, 1,225,625.04 and 490,319.88

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Solution

The fourth proportional to 888,129.08, 1,225,625.04 and 490,319.88 is: 676,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,129.08 : 1,225,625.04 = 490,319.88 : x
  2. Step 2: Convert to fraction form
    888,129.08/1,225,625.04 = 490,319.88/x
  3. Step 3: Cross multiply
    888,129.08x = 1,225,625.04 × 490,319.88
  4. Step 4: Simplify right side
    888,129.08x = 600,948,318,114.22
  5. Step 5: Solve for x
    x = 600,948,318,114.22/888,129.08
  6. Step 6: Final answer
    x = 676,645.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.