Home / 518,934.26-776,999.18-269,091.38

Finding the Fourth Proportional to 518,934.26, 776,999.18 and 269,091.38

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Solution

The fourth proportional to 518,934.26, 776,999.18 and 269,091.38 is: 402,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,934.26 : 776,999.18 = 269,091.38 : x
  2. Step 2: Convert to fraction form
    518,934.26/776,999.18 = 269,091.38/x
  3. Step 3: Cross multiply
    518,934.26x = 776,999.18 × 269,091.38
  4. Step 4: Simplify right side
    518,934.26x = 209,083,781,605.07
  5. Step 5: Solve for x
    x = 209,083,781,605.07/518,934.26
  6. Step 6: Final answer
    x = 402,909.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.