Home / 969,474.32-1,338,110.33-561,510.43

Finding the Fourth Proportional to 969,474.32, 1,338,110.33 and 561,510.43

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Solution

The fourth proportional to 969,474.32, 1,338,110.33 and 561,510.43 is: 775,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,474.32 : 1,338,110.33 = 561,510.43 : x
  2. Step 2: Convert to fraction form
    969,474.32/1,338,110.33 = 561,510.43/x
  3. Step 3: Cross multiply
    969,474.32x = 1,338,110.33 × 561,510.43
  4. Step 4: Simplify right side
    969,474.32x = 751,362,903,791.41
  5. Step 5: Solve for x
    x = 751,362,903,791.41/969,474.32
  6. Step 6: Final answer
    x = 775,020.95

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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.