Home / 726,026.52-1,001,928.42-399,352.44

Finding the Fourth Proportional to 726,026.52, 1,001,928.42 and 399,352.44

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Solution

The fourth proportional to 726,026.52, 1,001,928.42 and 399,352.44 is: 551,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,026.52 : 1,001,928.42 = 399,352.44 : x
  2. Step 2: Convert to fraction form
    726,026.52/1,001,928.42 = 399,352.44/x
  3. Step 3: Cross multiply
    726,026.52x = 1,001,928.42 × 399,352.44
  4. Step 4: Simplify right side
    726,026.52x = 400,122,559,232.35
  5. Step 5: Solve for x
    x = 400,122,559,232.35/726,026.52
  6. Step 6: Final answer
    x = 551,112.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.