Home / 555,837.81-766,760.35-338,113.05

Finding the Fourth Proportional to 555,837.81, 766,760.35 and 338,113.05

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Solution

The fourth proportional to 555,837.81, 766,760.35 and 338,113.05 is: 466,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,837.81 : 766,760.35 = 338,113.05 : x
  2. Step 2: Convert to fraction form
    555,837.81/766,760.35 = 338,113.05/x
  3. Step 3: Cross multiply
    555,837.81x = 766,760.35 × 338,113.05
  4. Step 4: Simplify right side
    555,837.81x = 259,251,680,557.57
  5. Step 5: Solve for x
    x = 259,251,680,557.57/555,837.81
  6. Step 6: Final answer
    x = 466,416.06

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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.