Home / 928,458.24-1,392,687.40-612,841.36

Finding the Fourth Proportional to 928,458.24, 1,392,687.40 and 612,841.36

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Solution

The fourth proportional to 928,458.24, 1,392,687.40 and 612,841.36 is: 919,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,458.24 : 1,392,687.40 = 612,841.36 : x
  2. Step 2: Convert to fraction form
    928,458.24/1,392,687.40 = 612,841.36/x
  3. Step 3: Cross multiply
    928,458.24x = 1,392,687.40 × 612,841.36
  4. Step 4: Simplify right side
    928,458.24x = 853,496,440,270.86
  5. Step 5: Solve for x
    x = 853,496,440,270.86/928,458.24
  6. Step 6: Final answer
    x = 919,262.07

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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.