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Finding the Fourth Proportional to 442,263.73, 663,740.06 and 308,271.72

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Solution

The fourth proportional to 442,263.73, 663,740.06 and 308,271.72 is: 462,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,263.73 : 663,740.06 = 308,271.72 : x
  2. Step 2: Convert to fraction form
    442,263.73/663,740.06 = 308,271.72/x
  3. Step 3: Cross multiply
    442,263.73x = 663,740.06 × 308,271.72
  4. Step 4: Simplify right side
    442,263.73x = 204,612,289,929.10
  5. Step 5: Solve for x
    x = 204,612,289,929.10/442,263.73
  6. Step 6: Final answer
    x = 462,647.68

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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.