Home / 540,606.20-745,979.40-298,849.80

Finding the Fourth Proportional to 540,606.20, 745,979.40 and 298,849.80

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Solution

The fourth proportional to 540,606.20, 745,979.40 and 298,849.80 is: 412,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,606.20 : 745,979.40 = 298,849.80 : x
  2. Step 2: Convert to fraction form
    540,606.20/745,979.40 = 298,849.80/x
  3. Step 3: Cross multiply
    540,606.20x = 745,979.40 × 298,849.80
  4. Step 4: Simplify right side
    540,606.20x = 222,935,794,494.12
  5. Step 5: Solve for x
    x = 222,935,794,494.12/540,606.20
  6. Step 6: Final answer
    x = 412,381.13

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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.