Home / 654,865.48-982,675.50-275,756.68

Finding the Fourth Proportional to 654,865.48, 982,675.50 and 275,756.68

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Solution

The fourth proportional to 654,865.48, 982,675.50 and 275,756.68 is: 413,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,865.48 : 982,675.50 = 275,756.68 : x
  2. Step 2: Convert to fraction form
    654,865.48/982,675.50 = 275,756.68/x
  3. Step 3: Cross multiply
    654,865.48x = 982,675.50 × 275,756.68
  4. Step 4: Simplify right side
    654,865.48x = 270,979,333,397.34
  5. Step 5: Solve for x
    x = 270,979,333,397.34/654,865.48
  6. Step 6: Final answer
    x = 413,793.89

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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.