Home / 928,548.27-1,392,822.86-612,931.41

Finding the Fourth Proportional to 928,548.27, 1,392,822.86 and 612,931.41

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Solution

The fourth proportional to 928,548.27, 1,392,822.86 and 612,931.41 is: 919,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,548.27 : 1,392,822.86 = 612,931.41 : x
  2. Step 2: Convert to fraction form
    928,548.27/1,392,822.86 = 612,931.41/x
  3. Step 3: Cross multiply
    928,548.27x = 1,392,822.86 × 612,931.41
  4. Step 4: Simplify right side
    928,548.27x = 853,704,876,395.38
  5. Step 5: Solve for x
    x = 853,704,876,395.38/928,548.27
  6. Step 6: Final answer
    x = 919,397.41

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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.