Home / 766,917.80-1,058,337.96-418,050.56

Finding the Fourth Proportional to 766,917.80, 1,058,337.96 and 418,050.56

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Solution

The fourth proportional to 766,917.80, 1,058,337.96 and 418,050.56 is: 576,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,917.80 : 1,058,337.96 = 418,050.56 : x
  2. Step 2: Convert to fraction form
    766,917.80/1,058,337.96 = 418,050.56/x
  3. Step 3: Cross multiply
    766,917.80x = 1,058,337.96 × 418,050.56
  4. Step 4: Simplify right side
    766,917.80x = 442,438,776,847.26
  5. Step 5: Solve for x
    x = 442,438,776,847.26/766,917.80
  6. Step 6: Final answer
    x = 576,905.08

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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.