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Finding the Fourth Proportional to 471,487.57, 650,666.94 and 290,304.04

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Solution

The fourth proportional to 471,487.57, 650,666.94 and 290,304.04 is: 400,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,487.57 : 650,666.94 = 290,304.04 : x
  2. Step 2: Convert to fraction form
    471,487.57/650,666.94 = 290,304.04/x
  3. Step 3: Cross multiply
    471,487.57x = 650,666.94 × 290,304.04
  4. Step 4: Simplify right side
    471,487.57x = 188,891,241,376.44
  5. Step 5: Solve for x
    x = 188,891,241,376.44/471,487.57
  6. Step 6: Final answer
    x = 400,628.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.