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Finding the Fourth Proportional to 489,222.40, 733,833.60 and 440,233.60

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Solution

The fourth proportional to 489,222.40, 733,833.60 and 440,233.60 is: 660,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,222.40 : 733,833.60 = 440,233.60 : x
  2. Step 2: Convert to fraction form
    489,222.40/733,833.60 = 440,233.60/x
  3. Step 3: Cross multiply
    489,222.40x = 733,833.60 × 440,233.60
  4. Step 4: Simplify right side
    489,222.40x = 323,058,207,528.96
  5. Step 5: Solve for x
    x = 323,058,207,528.96/489,222.40
  6. Step 6: Final answer
    x = 660,350.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.