Home / 755,727.60-1,042,856.78-416,195.86

Finding the Fourth Proportional to 755,727.60, 1,042,856.78 and 416,195.86

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Solution

The fourth proportional to 755,727.60, 1,042,856.78 and 416,195.86 is: 574,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,727.60 : 1,042,856.78 = 416,195.86 : x
  2. Step 2: Convert to fraction form
    755,727.60/1,042,856.78 = 416,195.86/x
  3. Step 3: Cross multiply
    755,727.60x = 1,042,856.78 × 416,195.86
  4. Step 4: Simplify right side
    755,727.60x = 434,032,674,408.93
  5. Step 5: Solve for x
    x = 434,032,674,408.93/755,727.60
  6. Step 6: Final answer
    x = 574,324.23

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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.