Home / 555,766.40-766,947.62-314,043.75

Finding the Fourth Proportional to 555,766.40, 766,947.62 and 314,043.75

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Solution

The fourth proportional to 555,766.40, 766,947.62 and 314,043.75 is: 433,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,766.40 : 766,947.62 = 314,043.75 : x
  2. Step 2: Convert to fraction form
    555,766.40/766,947.62 = 314,043.75/x
  3. Step 3: Cross multiply
    555,766.40x = 766,947.62 × 314,043.75
  4. Step 4: Simplify right side
    555,766.40x = 240,855,107,423.48
  5. Step 5: Solve for x
    x = 240,855,107,423.48/555,766.40
  6. Step 6: Final answer
    x = 433,374.72

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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.