Home / 762,769.50-1,052,621.91-423,292.38

Finding the Fourth Proportional to 762,769.50, 1,052,621.91 and 423,292.38

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Solution

The fourth proportional to 762,769.50, 1,052,621.91 and 423,292.38 is: 584,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,769.50 : 1,052,621.91 = 423,292.38 : x
  2. Step 2: Convert to fraction form
    762,769.50/1,052,621.91 = 423,292.38/x
  3. Step 3: Cross multiply
    762,769.50x = 1,052,621.91 × 423,292.38
  4. Step 4: Simplify right side
    762,769.50x = 445,566,833,524.05
  5. Step 5: Solve for x
    x = 445,566,833,524.05/762,769.50
  6. Step 6: Final answer
    x = 584,143.48

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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.