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Finding the Fourth Proportional to 492,006.10, 738,009.15 and 447,682.90

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Solution

The fourth proportional to 492,006.10, 738,009.15 and 447,682.90 is: 671,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,006.10 : 738,009.15 = 447,682.90 : x
  2. Step 2: Convert to fraction form
    492,006.10/738,009.15 = 447,682.90/x
  3. Step 3: Cross multiply
    492,006.10x = 738,009.15 × 447,682.90
  4. Step 4: Simplify right side
    492,006.10x = 330,394,076,498.54
  5. Step 5: Solve for x
    x = 330,394,076,498.54/492,006.10
  6. Step 6: Final answer
    x = 671,524.35

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Similar ratio
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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.