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Finding the Fourth Proportional to 608,301.60, 912,433.36 and 253,306.72

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Solution

The fourth proportional to 608,301.60, 912,433.36 and 253,306.72 is: 379,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,301.60 : 912,433.36 = 253,306.72 : x
  2. Step 2: Convert to fraction form
    608,301.60/912,433.36 = 253,306.72/x
  3. Step 3: Cross multiply
    608,301.60x = 912,433.36 × 253,306.72
  4. Step 4: Simplify right side
    608,301.60x = 231,125,501,640.18
  5. Step 5: Solve for x
    x = 231,125,501,640.18/608,301.60
  6. Step 6: Final answer
    x = 379,952.15

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1.5x scale

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.