Home / 762,212.59-1,049,213.41-658,799.69

Finding the Fourth Proportional to 762,212.59, 1,049,213.41 and 658,799.69

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Solution

The fourth proportional to 762,212.59, 1,049,213.41 and 658,799.69 is: 906,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,212.59 : 1,049,213.41 = 658,799.69 : x
  2. Step 2: Convert to fraction form
    762,212.59/1,049,213.41 = 658,799.69/x
  3. Step 3: Cross multiply
    762,212.59x = 1,049,213.41 × 658,799.69
  4. Step 4: Simplify right side
    762,212.59x = 691,221,462,358.78
  5. Step 5: Solve for x
    x = 691,221,462,358.78/762,212.59
  6. Step 6: Final answer
    x = 906,861.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.