Home / 555,620.23-766,600.38-348,910.92

Finding the Fourth Proportional to 555,620.23, 766,600.38 and 348,910.92

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Solution

The fourth proportional to 555,620.23, 766,600.38 and 348,910.92 is: 481,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,620.23 : 766,600.38 = 348,910.92 : x
  2. Step 2: Convert to fraction form
    555,620.23/766,600.38 = 348,910.92/x
  3. Step 3: Cross multiply
    555,620.23x = 766,600.38 × 348,910.92
  4. Step 4: Simplify right side
    555,620.23x = 267,475,240,720.77
  5. Step 5: Solve for x
    x = 267,475,240,720.77/555,620.23
  6. Step 6: Final answer
    x = 481,399.39

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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.