Home / 969,821.32-1,338,257.56-540,141.44

Finding the Fourth Proportional to 969,821.32, 1,338,257.56 and 540,141.44

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Solution

The fourth proportional to 969,821.32, 1,338,257.56 and 540,141.44 is: 745,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,821.32 : 1,338,257.56 = 540,141.44 : x
  2. Step 2: Convert to fraction form
    969,821.32/1,338,257.56 = 540,141.44/x
  3. Step 3: Cross multiply
    969,821.32x = 1,338,257.56 × 540,141.44
  4. Step 4: Simplify right side
    969,821.32x = 722,848,365,549.29
  5. Step 5: Solve for x
    x = 722,848,365,549.29/969,821.32
  6. Step 6: Final answer
    x = 745,341.80

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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.