Home / 762,855.52-1,052,744.70-423,323.78

Finding the Fourth Proportional to 762,855.52, 1,052,744.70 and 423,323.78

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Solution

The fourth proportional to 762,855.52, 1,052,744.70 and 423,323.78 is: 584,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,855.52 : 1,052,744.70 = 423,323.78 : x
  2. Step 2: Convert to fraction form
    762,855.52/1,052,744.70 = 423,323.78/x
  3. Step 3: Cross multiply
    762,855.52x = 1,052,744.70 × 423,323.78
  4. Step 4: Simplify right side
    762,855.52x = 445,651,865,778.97
  5. Step 5: Solve for x
    x = 445,651,865,778.97/762,855.52
  6. Step 6: Final answer
    x = 584,189.08

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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.