Home / 555,587.20-766,836.14-314,009.90

Finding the Fourth Proportional to 555,587.20, 766,836.14 and 314,009.90

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Solution

The fourth proportional to 555,587.20, 766,836.14 and 314,009.90 is: 433,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,587.20 : 766,836.14 = 314,009.90 : x
  2. Step 2: Convert to fraction form
    555,587.20/766,836.14 = 314,009.90/x
  3. Step 3: Cross multiply
    555,587.20x = 766,836.14 × 314,009.90
  4. Step 4: Simplify right side
    555,587.20x = 240,794,139,637.79
  5. Step 5: Solve for x
    x = 240,794,139,637.79/555,587.20
  6. Step 6: Final answer
    x = 433,404.76

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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.