Home / 703,401.28-1,055,058.16-303,761.92

Finding the Fourth Proportional to 703,401.28, 1,055,058.16 and 303,761.92

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Solution

The fourth proportional to 703,401.28, 1,055,058.16 and 303,761.92 is: 455,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,401.28 : 1,055,058.16 = 303,761.92 : x
  2. Step 2: Convert to fraction form
    703,401.28/1,055,058.16 = 303,761.92/x
  3. Step 3: Cross multiply
    703,401.28x = 1,055,058.16 × 303,761.92
  4. Step 4: Simplify right side
    703,401.28x = 320,486,492,393.27
  5. Step 5: Solve for x
    x = 320,486,492,393.27/703,401.28
  6. Step 6: Final answer
    x = 455,623.98

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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.