Home / 977,195.68-1,348,672.52-547,504.88

Finding the Fourth Proportional to 977,195.68, 1,348,672.52 and 547,504.88

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Solution

The fourth proportional to 977,195.68, 1,348,672.52 and 547,504.88 is: 755,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,195.68 : 1,348,672.52 = 547,504.88 : x
  2. Step 2: Convert to fraction form
    977,195.68/1,348,672.52 = 547,504.88/x
  3. Step 3: Cross multiply
    977,195.68x = 1,348,672.52 × 547,504.88
  4. Step 4: Simplify right side
    977,195.68x = 738,404,786,221.90
  5. Step 5: Solve for x
    x = 738,404,786,221.90/977,195.68
  6. Step 6: Final answer
    x = 755,636.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.