Home / 762,608.78-1,052,449.98-440,332.46

Finding the Fourth Proportional to 762,608.78, 1,052,449.98 and 440,332.46

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Solution

The fourth proportional to 762,608.78, 1,052,449.98 and 440,332.46 is: 607,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,608.78 : 1,052,449.98 = 440,332.46 : x
  2. Step 2: Convert to fraction form
    762,608.78/1,052,449.98 = 440,332.46/x
  3. Step 3: Cross multiply
    762,608.78x = 1,052,449.98 × 440,332.46
  4. Step 4: Simplify right side
    762,608.78x = 463,427,888,720.35
  5. Step 5: Solve for x
    x = 463,427,888,720.35/762,608.78
  6. Step 6: Final answer
    x = 607,687.59

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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.