Home / 969,866.19-1,338,456.83-540,146.25

Finding the Fourth Proportional to 969,866.19, 1,338,456.83 and 540,146.25

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Solution

The fourth proportional to 969,866.19, 1,338,456.83 and 540,146.25 is: 745,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,866.19 : 1,338,456.83 = 540,146.25 : x
  2. Step 2: Convert to fraction form
    969,866.19/1,338,456.83 = 540,146.25/x
  3. Step 3: Cross multiply
    969,866.19x = 1,338,456.83 × 540,146.25
  4. Step 4: Simplify right side
    969,866.19x = 722,962,434,810.66
  5. Step 5: Solve for x
    x = 722,962,434,810.66/969,866.19
  6. Step 6: Final answer
    x = 745,424.93

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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.