Home / 914,351.83-1,371,593.48-315,304.36

Finding the Fourth Proportional to 914,351.83, 1,371,593.48 and 315,304.36

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Solution

The fourth proportional to 914,351.83, 1,371,593.48 and 315,304.36 is: 472,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,351.83 : 1,371,593.48 = 315,304.36 : x
  2. Step 2: Convert to fraction form
    914,351.83/1,371,593.48 = 315,304.36/x
  3. Step 3: Cross multiply
    914,351.83x = 1,371,593.48 × 315,304.36
  4. Step 4: Simplify right side
    914,351.83x = 432,469,404,391.57
  5. Step 5: Solve for x
    x = 432,469,404,391.57/914,351.83
  6. Step 6: Final answer
    x = 472,979.21

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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.