Home / 727,257.28-1,003,616.16-405,029.44

Finding the Fourth Proportional to 727,257.28, 1,003,616.16 and 405,029.44

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Solution

The fourth proportional to 727,257.28, 1,003,616.16 and 405,029.44 is: 558,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,257.28 : 1,003,616.16 = 405,029.44 : x
  2. Step 2: Convert to fraction form
    727,257.28/1,003,616.16 = 405,029.44/x
  3. Step 3: Cross multiply
    727,257.28x = 1,003,616.16 × 405,029.44
  4. Step 4: Simplify right side
    727,257.28x = 406,494,091,259.75
  5. Step 5: Solve for x
    x = 406,494,091,259.75/727,257.28
  6. Step 6: Final answer
    x = 558,941.25

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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.