Home / 766,170.96-1,057,317.48-426,651.36

Finding the Fourth Proportional to 766,170.96, 1,057,317.48 and 426,651.36

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Solution

The fourth proportional to 766,170.96, 1,057,317.48 and 426,651.36 is: 588,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,170.96 : 1,057,317.48 = 426,651.36 : x
  2. Step 2: Convert to fraction form
    766,170.96/1,057,317.48 = 426,651.36/x
  3. Step 3: Cross multiply
    766,170.96x = 1,057,317.48 × 426,651.36
  4. Step 4: Simplify right side
    766,170.96x = 451,105,940,793.77
  5. Step 5: Solve for x
    x = 451,105,940,793.77/766,170.96
  6. Step 6: Final answer
    x = 588,779.74

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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.