Home / 766,770.44-1,058,129.32-417,913.87

Finding the Fourth Proportional to 766,770.44, 1,058,129.32 and 417,913.87

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Solution

The fourth proportional to 766,770.44, 1,058,129.32 and 417,913.87 is: 576,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,770.44 : 1,058,129.32 = 417,913.87 : x
  2. Step 2: Convert to fraction form
    766,770.44/1,058,129.32 = 417,913.87/x
  3. Step 3: Cross multiply
    766,770.44x = 1,058,129.32 × 417,913.87
  4. Step 4: Simplify right side
    766,770.44x = 442,206,911,701.45
  5. Step 5: Solve for x
    x = 442,206,911,701.45/766,770.44
  6. Step 6: Final answer
    x = 576,713.56

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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.