Home / 969,849.68-1,338,434.09-540,129.83

Finding the Fourth Proportional to 969,849.68, 1,338,434.09 and 540,129.83

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Solution

The fourth proportional to 969,849.68, 1,338,434.09 and 540,129.83 is: 745,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,849.68 : 1,338,434.09 = 540,129.83 : x
  2. Step 2: Convert to fraction form
    969,849.68/1,338,434.09 = 540,129.83/x
  3. Step 3: Cross multiply
    969,849.68x = 1,338,434.09 × 540,129.83
  4. Step 4: Simplify right side
    969,849.68x = 722,928,168,105.09
  5. Step 5: Solve for x
    x = 722,928,168,105.09/969,849.68
  6. Step 6: Final answer
    x = 745,402.29

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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.