Home / 677,435.52-1,016,155.04-228,471.76

Finding the Fourth Proportional to 677,435.52, 1,016,155.04 and 228,471.76

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Solution

The fourth proportional to 677,435.52, 1,016,155.04 and 228,471.76 is: 342,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,435.52 : 1,016,155.04 = 228,471.76 : x
  2. Step 2: Convert to fraction form
    677,435.52/1,016,155.04 = 228,471.76/x
  3. Step 3: Cross multiply
    677,435.52x = 1,016,155.04 × 228,471.76
  4. Step 4: Simplify right side
    677,435.52x = 232,162,730,421.67
  5. Step 5: Solve for x
    x = 232,162,730,421.67/677,435.52
  6. Step 6: Final answer
    x = 342,708.23

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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.