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Finding the Fourth Proportional to 492,252.65, 738,324.30 and 403,351.10

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Solution

The fourth proportional to 492,252.65, 738,324.30 and 403,351.10 is: 604,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,252.65 : 738,324.30 = 403,351.10 : x
  2. Step 2: Convert to fraction form
    492,252.65/738,324.30 = 403,351.10/x
  3. Step 3: Cross multiply
    492,252.65x = 738,324.30 × 403,351.10
  4. Step 4: Simplify right side
    492,252.65x = 297,803,918,561.73
  5. Step 5: Solve for x
    x = 297,803,918,561.73/492,252.65
  6. Step 6: Final answer
    x = 604,981.85

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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.