Home / 869,881.36-1,304,508.88-301,107.92

Finding the Fourth Proportional to 869,881.36, 1,304,508.88 and 301,107.92

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Solution

The fourth proportional to 869,881.36, 1,304,508.88 and 301,107.92 is: 451,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,881.36 : 1,304,508.88 = 301,107.92 : x
  2. Step 2: Convert to fraction form
    869,881.36/1,304,508.88 = 301,107.92/x
  3. Step 3: Cross multiply
    869,881.36x = 1,304,508.88 × 301,107.92
  4. Step 4: Simplify right side
    869,881.36x = 392,797,955,478.33
  5. Step 5: Solve for x
    x = 392,797,955,478.33/869,881.36
  6. Step 6: Final answer
    x = 451,553.48

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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.