Home / 490,565.22-676,827.84-286,468.92

Finding the Fourth Proportional to 490,565.22, 676,827.84 and 286,468.92

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Solution

The fourth proportional to 490,565.22, 676,827.84 and 286,468.92 is: 395,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,565.22 : 676,827.84 = 286,468.92 : x
  2. Step 2: Convert to fraction form
    490,565.22/676,827.84 = 286,468.92/x
  3. Step 3: Cross multiply
    490,565.22x = 676,827.84 × 286,468.92
  4. Step 4: Simplify right side
    490,565.22x = 193,890,140,350.73
  5. Step 5: Solve for x
    x = 193,890,140,350.73/490,565.22
  6. Step 6: Final answer
    x = 395,238.25

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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.