Home / 969,844.60-1,338,427.07-540,124.75

Finding the Fourth Proportional to 969,844.60, 1,338,427.07 and 540,124.75

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Solution

The fourth proportional to 969,844.60, 1,338,427.07 and 540,124.75 is: 745,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,844.60 : 1,338,427.07 = 540,124.75 : x
  2. Step 2: Convert to fraction form
    969,844.60/1,338,427.07 = 540,124.75/x
  3. Step 3: Cross multiply
    969,844.60x = 1,338,427.07 × 540,124.75
  4. Step 4: Simplify right side
    969,844.60x = 722,917,586,576.98
  5. Step 5: Solve for x
    x = 722,917,586,576.98/969,844.60
  6. Step 6: Final answer
    x = 745,395.28

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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.