Home / 677,434.57-1,016,153.64-228,470.83

Finding the Fourth Proportional to 677,434.57, 1,016,153.64 and 228,470.83

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Solution

The fourth proportional to 677,434.57, 1,016,153.64 and 228,470.83 is: 342,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,434.57 : 1,016,153.64 = 228,470.83 : x
  2. Step 2: Convert to fraction form
    677,434.57/1,016,153.64 = 228,470.83/x
  3. Step 3: Cross multiply
    677,434.57x = 1,016,153.64 × 228,470.83
  4. Step 4: Simplify right side
    677,434.57x = 232,161,465,538.32
  5. Step 5: Solve for x
    x = 232,161,465,538.32/677,434.57
  6. Step 6: Final answer
    x = 342,706.85

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Double scale
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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.