Home / 834,909.28-1,251,584.80-329,474.45

Finding the Fourth Proportional to 834,909.28, 1,251,584.80 and 329,474.45

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Solution

The fourth proportional to 834,909.28, 1,251,584.80 and 329,474.45 is: 493,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,909.28 : 1,251,584.80 = 329,474.45 : x
  2. Step 2: Convert to fraction form
    834,909.28/1,251,584.80 = 329,474.45/x
  3. Step 3: Cross multiply
    834,909.28x = 1,251,584.80 × 329,474.45
  4. Step 4: Simplify right side
    834,909.28x = 412,365,213,608.36
  5. Step 5: Solve for x
    x = 412,365,213,608.36/834,909.28
  6. Step 6: Final answer
    x = 493,904.22

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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.