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Finding the Fourth Proportional to 632,144.40, 946,891.80 and 295,472.40

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Solution

The fourth proportional to 632,144.40, 946,891.80 and 295,472.40 is: 442,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,144.40 : 946,891.80 = 295,472.40 : x
  2. Step 2: Convert to fraction form
    632,144.40/946,891.80 = 295,472.40/x
  3. Step 3: Cross multiply
    632,144.40x = 946,891.80 × 295,472.40
  4. Step 4: Simplify right side
    632,144.40x = 279,780,392,686.32
  5. Step 5: Solve for x
    x = 279,780,392,686.32/632,144.40
  6. Step 6: Final answer
    x = 442,589.37

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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.