Home / 455,546.80-681,707.40-397,025.20

Finding the Fourth Proportional to 455,546.80, 681,707.40 and 397,025.20

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Solution

The fourth proportional to 455,546.80, 681,707.40 and 397,025.20 is: 594,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,546.80 : 681,707.40 = 397,025.20 : x
  2. Step 2: Convert to fraction form
    455,546.80/681,707.40 = 397,025.20/x
  3. Step 3: Cross multiply
    455,546.80x = 681,707.40 × 397,025.20
  4. Step 4: Simplify right side
    455,546.80x = 270,655,016,826.48
  5. Step 5: Solve for x
    x = 270,655,016,826.48/455,546.80
  6. Step 6: Final answer
    x = 594,132.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.