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Finding the Fourth Proportional to 427,406.30, 586,732.08 and 366,871.85

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Solution

The fourth proportional to 427,406.30, 586,732.08 and 366,871.85 is: 503,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,406.30 : 586,732.08 = 366,871.85 : x
  2. Step 2: Convert to fraction form
    427,406.30/586,732.08 = 366,871.85/x
  3. Step 3: Cross multiply
    427,406.30x = 586,732.08 × 366,871.85
  4. Step 4: Simplify right side
    427,406.30x = 215,255,483,643.95
  5. Step 5: Solve for x
    x = 215,255,483,643.95/427,406.30
  6. Step 6: Final answer
    x = 503,631.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.