Home / 969,870.94-1,338,463.38-540,151

Finding the Fourth Proportional to 969,870.94, 1,338,463.38 and 540,151

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Solution

The fourth proportional to 969,870.94, 1,338,463.38 and 540,151 is: 745,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,870.94 : 1,338,463.38 = 540,151 : x
  2. Step 2: Convert to fraction form
    969,870.94/1,338,463.38 = 540,151/x
  3. Step 3: Cross multiply
    969,870.94x = 1,338,463.38 × 540,151
  4. Step 4: Simplify right side
    969,870.94x = 722,972,333,170.38
  5. Step 5: Solve for x
    x = 722,972,333,170.38/969,870.94
  6. Step 6: Final answer
    x = 745,431.48

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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.