Home / 766,023.90-1,057,565.64-680,894.88

Finding the Fourth Proportional to 766,023.90, 1,057,565.64 and 680,894.88

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Solution

The fourth proportional to 766,023.90, 1,057,565.64 and 680,894.88 is: 940,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,023.90 : 1,057,565.64 = 680,894.88 : x
  2. Step 2: Convert to fraction form
    766,023.90/1,057,565.64 = 680,894.88/x
  3. Step 3: Cross multiply
    766,023.90x = 1,057,565.64 × 680,894.88
  4. Step 4: Simplify right side
    766,023.90x = 720,091,029,539.92
  5. Step 5: Solve for x
    x = 720,091,029,539.92/766,023.90
  6. Step 6: Final answer
    x = 940,037.29

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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.