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Finding the Fourth Proportional to 482,831.30, 677,363.50 and 482,831.30

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Solution

The fourth proportional to 482,831.30, 677,363.50 and 482,831.30 is: 677,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,831.30 : 677,363.50 = 482,831.30 : x
  2. Step 2: Convert to fraction form
    482,831.30/677,363.50 = 482,831.30/x
  3. Step 3: Cross multiply
    482,831.30x = 677,363.50 × 482,831.30
  4. Step 4: Simplify right side
    482,831.30x = 327,052,299,277.55
  5. Step 5: Solve for x
    x = 327,052,299,277.55/482,831.30
  6. Step 6: Final answer
    x = 677,363.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.