Home / 826,170.80-1,239,381.28-293,565.20

Finding the Fourth Proportional to 826,170.80, 1,239,381.28 and 293,565.20

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Solution

The fourth proportional to 826,170.80, 1,239,381.28 and 293,565.20 is: 440,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,170.80 : 1,239,381.28 = 293,565.20 : x
  2. Step 2: Convert to fraction form
    826,170.80/1,239,381.28 = 293,565.20/x
  3. Step 3: Cross multiply
    826,170.80x = 1,239,381.28 × 293,565.20
  4. Step 4: Simplify right side
    826,170.80x = 363,839,213,339.46
  5. Step 5: Solve for x
    x = 363,839,213,339.46/826,170.80
  6. Step 6: Final answer
    x = 440,392.24

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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.