Home / 677,750.34-1,016,330.20-228,387.45

Finding the Fourth Proportional to 677,750.34, 1,016,330.20 and 228,387.45

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Solution

The fourth proportional to 677,750.34, 1,016,330.20 and 228,387.45 is: 342,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,750.34 : 1,016,330.20 = 228,387.45 : x
  2. Step 2: Convert to fraction form
    677,750.34/1,016,330.20 = 228,387.45/x
  3. Step 3: Cross multiply
    677,750.34x = 1,016,330.20 × 228,387.45
  4. Step 4: Simplify right side
    677,750.34x = 232,117,062,165.02
  5. Step 5: Solve for x
    x = 232,117,062,165.02/677,750.34
  6. Step 6: Final answer
    x = 342,481.66

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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.