Home / 914,344.92-1,371,645.95-381,744.81

Finding the Fourth Proportional to 914,344.92, 1,371,645.95 and 381,744.81

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Solution

The fourth proportional to 914,344.92, 1,371,645.95 and 381,744.81 is: 572,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,344.92 : 1,371,645.95 = 381,744.81 : x
  2. Step 2: Convert to fraction form
    914,344.92/1,371,645.95 = 381,744.81/x
  3. Step 3: Cross multiply
    914,344.92x = 1,371,645.95 × 381,744.81
  4. Step 4: Simplify right side
    914,344.92x = 523,618,720,661.30
  5. Step 5: Solve for x
    x = 523,618,720,661.30/914,344.92
  6. Step 6: Final answer
    x = 572,670.89

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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.