Home / 762,789.92-1,052,646.72-423,257.36

Finding the Fourth Proportional to 762,789.92, 1,052,646.72 and 423,257.36

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Solution

The fourth proportional to 762,789.92, 1,052,646.72 and 423,257.36 is: 584,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,789.92 : 1,052,646.72 = 423,257.36 : x
  2. Step 2: Convert to fraction form
    762,789.92/1,052,646.72 = 423,257.36/x
  3. Step 3: Cross multiply
    762,789.92x = 1,052,646.72 × 423,257.36
  4. Step 4: Simplify right side
    762,789.92x = 445,540,471,719.86
  5. Step 5: Solve for x
    x = 445,540,471,719.86/762,789.92
  6. Step 6: Final answer
    x = 584,093.29

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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.