Home / 757,481.76-1,137,735.90-473,677.20

Finding the Fourth Proportional to 757,481.76, 1,137,735.90 and 473,677.20

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Solution

The fourth proportional to 757,481.76, 1,137,735.90 and 473,677.20 is: 711,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,481.76 : 1,137,735.90 = 473,677.20 : x
  2. Step 2: Convert to fraction form
    757,481.76/1,137,735.90 = 473,677.20/x
  3. Step 3: Cross multiply
    757,481.76x = 1,137,735.90 × 473,677.20
  4. Step 4: Simplify right side
    757,481.76x = 538,919,555,451.48
  5. Step 5: Solve for x
    x = 538,919,555,451.48/757,481.76
  6. Step 6: Final answer
    x = 711,462.09

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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.