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Finding the Fourth Proportional to 576,370.95, 864,537.96 and 260,827.85

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Solution

The fourth proportional to 576,370.95, 864,537.96 and 260,827.85 is: 391,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,370.95 : 864,537.96 = 260,827.85 : x
  2. Step 2: Convert to fraction form
    576,370.95/864,537.96 = 260,827.85/x
  3. Step 3: Cross multiply
    576,370.95x = 864,537.96 × 260,827.85
  4. Step 4: Simplify right side
    576,370.95x = 225,495,577,350.19
  5. Step 5: Solve for x
    x = 225,495,577,350.19/576,370.95
  6. Step 6: Final answer
    x = 391,233.42

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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.