Home / 969,869.19-1,338,460.97-540,149.25

Finding the Fourth Proportional to 969,869.19, 1,338,460.97 and 540,149.25

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Solution

The fourth proportional to 969,869.19, 1,338,460.97 and 540,149.25 is: 745,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,869.19 : 1,338,460.97 = 540,149.25 : x
  2. Step 2: Convert to fraction form
    969,869.19/1,338,460.97 = 540,149.25/x
  3. Step 3: Cross multiply
    969,869.19x = 1,338,460.97 × 540,149.25
  4. Step 4: Simplify right side
    969,869.19x = 722,968,686,399.03
  5. Step 5: Solve for x
    x = 722,968,686,399.03/969,869.19
  6. Step 6: Final answer
    x = 745,429.07

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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.