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Finding the Fourth Proportional to 608,340.68, 912,433.24 and 253,288.52

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Solution

The fourth proportional to 608,340.68, 912,433.24 and 253,288.52 is: 379,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,340.68 : 912,433.24 = 253,288.52 : x
  2. Step 2: Convert to fraction form
    608,340.68/912,433.24 = 253,288.52/x
  3. Step 3: Cross multiply
    608,340.68x = 912,433.24 × 253,288.52
  4. Step 4: Simplify right side
    608,340.68x = 231,108,864,958.41
  5. Step 5: Solve for x
    x = 231,108,864,958.41/608,340.68
  6. Step 6: Final answer
    x = 379,900.40

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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.