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Finding the Fourth Proportional to 492,067.65, 738,101.48 and 487,920.45

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Solution

The fourth proportional to 492,067.65, 738,101.48 and 487,920.45 is: 731,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,067.65 : 738,101.48 = 487,920.45 : x
  2. Step 2: Convert to fraction form
    492,067.65/738,101.48 = 487,920.45/x
  3. Step 3: Cross multiply
    492,067.65x = 738,101.48 × 487,920.45
  4. Step 4: Simplify right side
    492,067.65x = 360,134,803,827.66
  5. Step 5: Solve for x
    x = 360,134,803,827.66/492,067.65
  6. Step 6: Final answer
    x = 731,880.68

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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.