Home / 769,878.22-1,062,385.68-425,693.56

Finding the Fourth Proportional to 769,878.22, 1,062,385.68 and 425,693.56

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Solution

The fourth proportional to 769,878.22, 1,062,385.68 and 425,693.56 is: 587,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,878.22 : 1,062,385.68 = 425,693.56 : x
  2. Step 2: Convert to fraction form
    769,878.22/1,062,385.68 = 425,693.56/x
  3. Step 3: Cross multiply
    769,878.22x = 1,062,385.68 × 425,693.56
  4. Step 4: Simplify right side
    769,878.22x = 452,250,742,212.22
  5. Step 5: Solve for x
    x = 452,250,742,212.22/769,878.22
  6. Step 6: Final answer
    x = 587,431.53

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Double scale
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1.5x scale

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.