Home / 969,990.46-1,338,449.70-550,871.98

Finding the Fourth Proportional to 969,990.46, 1,338,449.70 and 550,871.98

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Solution

The fourth proportional to 969,990.46, 1,338,449.70 and 550,871.98 is: 760,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,990.46 : 1,338,449.70 = 550,871.98 : x
  2. Step 2: Convert to fraction form
    969,990.46/1,338,449.70 = 550,871.98/x
  3. Step 3: Cross multiply
    969,990.46x = 1,338,449.70 × 550,871.98
  4. Step 4: Simplify right side
    969,990.46x = 737,314,436,369.41
  5. Step 5: Solve for x
    x = 737,314,436,369.41/969,990.46
  6. Step 6: Final answer
    x = 760,125.45

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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.