Home / 555,731.29-766,627.02-351,438.15

Finding the Fourth Proportional to 555,731.29, 766,627.02 and 351,438.15

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Solution

The fourth proportional to 555,731.29, 766,627.02 and 351,438.15 is: 484,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,731.29 : 766,627.02 = 351,438.15 : x
  2. Step 2: Convert to fraction form
    555,731.29/766,627.02 = 351,438.15/x
  3. Step 3: Cross multiply
    555,731.29x = 766,627.02 × 351,438.15
  4. Step 4: Simplify right side
    555,731.29x = 269,421,981,648.81
  5. Step 5: Solve for x
    x = 269,421,981,648.81/555,731.29
  6. Step 6: Final answer
    x = 484,806.21

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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.