Home / 869,885.80-1,304,515.66-301,112.36

Finding the Fourth Proportional to 869,885.80, 1,304,515.66 and 301,112.36

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Solution

The fourth proportional to 869,885.80, 1,304,515.66 and 301,112.36 is: 451,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,885.80 : 1,304,515.66 = 301,112.36 : x
  2. Step 2: Convert to fraction form
    869,885.80/1,304,515.66 = 301,112.36/x
  3. Step 3: Cross multiply
    869,885.80x = 1,304,515.66 × 301,112.36
  4. Step 4: Simplify right side
    869,885.80x = 392,805,789,039.56
  5. Step 5: Solve for x
    x = 392,805,789,039.56/869,885.80
  6. Step 6: Final answer
    x = 451,560.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.