Home / 721,614.54-1,081,838.49-301,205.10

Finding the Fourth Proportional to 721,614.54, 1,081,838.49 and 301,205.10

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Solution

The fourth proportional to 721,614.54, 1,081,838.49 and 301,205.10 is: 451,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,614.54 : 1,081,838.49 = 301,205.10 : x
  2. Step 2: Convert to fraction form
    721,614.54/1,081,838.49 = 301,205.10/x
  3. Step 3: Cross multiply
    721,614.54x = 1,081,838.49 × 301,205.10
  4. Step 4: Simplify right side
    721,614.54x = 325,855,270,564.30
  5. Step 5: Solve for x
    x = 325,855,270,564.30/721,614.54
  6. Step 6: Final answer
    x = 451,564.17

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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.