Home / 479,640.15-661,886.04-264,775.59

Finding the Fourth Proportional to 479,640.15, 661,886.04 and 264,775.59

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Solution

The fourth proportional to 479,640.15, 661,886.04 and 264,775.59 is: 365,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,640.15 : 661,886.04 = 264,775.59 : x
  2. Step 2: Convert to fraction form
    479,640.15/661,886.04 = 264,775.59/x
  3. Step 3: Cross multiply
    479,640.15x = 661,886.04 × 264,775.59
  4. Step 4: Simplify right side
    479,640.15x = 175,251,266,753.76
  5. Step 5: Solve for x
    x = 175,251,266,753.76/479,640.15
  6. Step 6: Final answer
    x = 365,380.73

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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.