Home / 762,867.50-1,052,789.96-423,335.75

Finding the Fourth Proportional to 762,867.50, 1,052,789.96 and 423,335.75

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Solution

The fourth proportional to 762,867.50, 1,052,789.96 and 423,335.75 is: 584,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,867.50 : 1,052,789.96 = 423,335.75 : x
  2. Step 2: Convert to fraction form
    762,867.50/1,052,789.96 = 423,335.75/x
  3. Step 3: Cross multiply
    762,867.50x = 1,052,789.96 × 423,335.75
  4. Step 4: Simplify right side
    762,867.50x = 445,683,625,192.39
  5. Step 5: Solve for x
    x = 445,683,625,192.39/762,867.50
  6. Step 6: Final answer
    x = 584,221.54

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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.