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Finding the Fourth Proportional to 471,487.63, 650,667.03 and 290,304.10

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Solution

The fourth proportional to 471,487.63, 650,667.03 and 290,304.10 is: 400,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,487.63 : 650,667.03 = 290,304.10 : x
  2. Step 2: Convert to fraction form
    471,487.63/650,667.03 = 290,304.10/x
  3. Step 3: Cross multiply
    471,487.63x = 650,667.03 × 290,304.10
  4. Step 4: Simplify right side
    471,487.63x = 188,891,306,543.82
  5. Step 5: Solve for x
    x = 188,891,306,543.82/471,487.63
  6. Step 6: Final answer
    x = 400,628.34

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1.5x scale

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.