Home / 677,947.94-935,565.58-372,029.43

Finding the Fourth Proportional to 677,947.94, 935,565.58 and 372,029.43

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Solution

The fourth proportional to 677,947.94, 935,565.58 and 372,029.43 is: 513,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,947.94 : 935,565.58 = 372,029.43 : x
  2. Step 2: Convert to fraction form
    677,947.94/935,565.58 = 372,029.43/x
  3. Step 3: Cross multiply
    677,947.94x = 935,565.58 × 372,029.43
  4. Step 4: Simplify right side
    677,947.94x = 348,057,928,524.95
  5. Step 5: Solve for x
    x = 348,057,928,524.95/677,947.94
  6. Step 6: Final answer
    x = 513,399.20

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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.