Home / 782,910.48-1,174,549.56-243,139.20

Finding the Fourth Proportional to 782,910.48, 1,174,549.56 and 243,139.20

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Solution

The fourth proportional to 782,910.48, 1,174,549.56 and 243,139.20 is: 364,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,910.48 : 1,174,549.56 = 243,139.20 : x
  2. Step 2: Convert to fraction form
    782,910.48/1,174,549.56 = 243,139.20/x
  3. Step 3: Cross multiply
    782,910.48x = 1,174,549.56 × 243,139.20
  4. Step 4: Simplify right side
    782,910.48x = 285,579,040,378.75
  5. Step 5: Solve for x
    x = 285,579,040,378.75/782,910.48
  6. Step 6: Final answer
    x = 364,765.89

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Double scale
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1.5x scale

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.