Home / 555,849.31-766,987.21-314,043.66

Finding the Fourth Proportional to 555,849.31, 766,987.21 and 314,043.66

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Solution

The fourth proportional to 555,849.31, 766,987.21 and 314,043.66 is: 433,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,849.31 : 766,987.21 = 314,043.66 : x
  2. Step 2: Convert to fraction form
    555,849.31/766,987.21 = 314,043.66/x
  3. Step 3: Cross multiply
    555,849.31x = 766,987.21 × 314,043.66
  4. Step 4: Simplify right side
    555,849.31x = 240,867,468,836.99
  5. Step 5: Solve for x
    x = 240,867,468,836.99/555,849.31
  6. Step 6: Final answer
    x = 433,332.31

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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.