Home / 914,490.39-1,371,735.73-381,720.79

Finding the Fourth Proportional to 914,490.39, 1,371,735.73 and 381,720.79

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Solution

The fourth proportional to 914,490.39, 1,371,735.73 and 381,720.79 is: 572,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,490.39 : 1,371,735.73 = 381,720.79 : x
  2. Step 2: Convert to fraction form
    914,490.39/1,371,735.73 = 381,720.79/x
  3. Step 3: Cross multiply
    914,490.39x = 1,371,735.73 × 381,720.79
  4. Step 4: Simplify right side
    914,490.39x = 523,620,039,668.15
  5. Step 5: Solve for x
    x = 523,620,039,668.15/914,490.39
  6. Step 6: Final answer
    x = 572,581.24

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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.