Home / 914,650.66-1,371,976.80-381,881.26

Finding the Fourth Proportional to 914,650.66, 1,371,976.80 and 381,881.26

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Solution

The fourth proportional to 914,650.66, 1,371,976.80 and 381,881.26 is: 572,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,650.66 : 1,371,976.80 = 381,881.26 : x
  2. Step 2: Convert to fraction form
    914,650.66/1,371,976.80 = 381,881.26/x
  3. Step 3: Cross multiply
    914,650.66x = 1,371,976.80 × 381,881.26
  4. Step 4: Simplify right side
    914,650.66x = 523,932,229,074.77
  5. Step 5: Solve for x
    x = 523,932,229,074.77/914,650.66
  6. Step 6: Final answer
    x = 572,822.23

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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.