Home / 766,747.92-1,058,292.54-476,578.69

Finding the Fourth Proportional to 766,747.92, 1,058,292.54 and 476,578.69

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Solution

The fourth proportional to 766,747.92, 1,058,292.54 and 476,578.69 is: 657,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,747.92 : 1,058,292.54 = 476,578.69 : x
  2. Step 2: Convert to fraction form
    766,747.92/1,058,292.54 = 476,578.69/x
  3. Step 3: Cross multiply
    766,747.92x = 1,058,292.54 × 476,578.69
  4. Step 4: Simplify right side
    766,747.92x = 504,359,669,704.24
  5. Step 5: Solve for x
    x = 504,359,669,704.24/766,747.92
  6. Step 6: Final answer
    x = 657,790.72

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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.