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Finding the Fourth Proportional to 463,710.40, 694,010.40 and 407,723.20

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Solution

The fourth proportional to 463,710.40, 694,010.40 and 407,723.20 is: 610,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,710.40 : 694,010.40 = 407,723.20 : x
  2. Step 2: Convert to fraction form
    463,710.40/694,010.40 = 407,723.20/x
  3. Step 3: Cross multiply
    463,710.40x = 694,010.40 × 407,723.20
  4. Step 4: Simplify right side
    463,710.40x = 282,964,141,121.28
  5. Step 5: Solve for x
    x = 282,964,141,121.28/463,710.40
  6. Step 6: Final answer
    x = 610,217.37

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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.