Home / 540,496.47-745,874.13-298,789.23

Finding the Fourth Proportional to 540,496.47, 745,874.13 and 298,789.23

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Solution

The fourth proportional to 540,496.47, 745,874.13 and 298,789.23 is: 412,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,496.47 : 745,874.13 = 298,789.23 : x
  2. Step 2: Convert to fraction form
    540,496.47/745,874.13 = 298,789.23/x
  3. Step 3: Cross multiply
    540,496.47x = 745,874.13 × 298,789.23
  4. Step 4: Simplify right side
    540,496.47x = 222,859,156,979.62
  5. Step 5: Solve for x
    x = 222,859,156,979.62/540,496.47
  6. Step 6: Final answer
    x = 412,323.06

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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.