Home / 677,613.12-1,016,440.80-251,255.04

Finding the Fourth Proportional to 677,613.12, 1,016,440.80 and 251,255.04

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Solution

The fourth proportional to 677,613.12, 1,016,440.80 and 251,255.04 is: 376,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,613.12 : 1,016,440.80 = 251,255.04 : x
  2. Step 2: Convert to fraction form
    677,613.12/1,016,440.80 = 251,255.04/x
  3. Step 3: Cross multiply
    677,613.12x = 1,016,440.80 × 251,255.04
  4. Step 4: Simplify right side
    677,613.12x = 255,385,873,861.63
  5. Step 5: Solve for x
    x = 255,385,873,861.63/677,613.12
  6. Step 6: Final answer
    x = 376,890.39

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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.