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Finding the Fourth Proportional to 465,463.60, 698,195.40 and 443,812.30

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Solution

The fourth proportional to 465,463.60, 698,195.40 and 443,812.30 is: 665,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,463.60 : 698,195.40 = 443,812.30 : x
  2. Step 2: Convert to fraction form
    465,463.60/698,195.40 = 443,812.30/x
  3. Step 3: Cross multiply
    465,463.60x = 698,195.40 × 443,812.30
  4. Step 4: Simplify right side
    465,463.60x = 309,867,706,323.42
  5. Step 5: Solve for x
    x = 309,867,706,323.42/465,463.60
  6. Step 6: Final answer
    x = 665,718.45

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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.