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Finding the Fourth Proportional to 471,599.34, 650,786.67 and 256,740.15

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Solution

The fourth proportional to 471,599.34, 650,786.67 and 256,740.15 is: 354,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,599.34 : 650,786.67 = 256,740.15 : x
  2. Step 2: Convert to fraction form
    471,599.34/650,786.67 = 256,740.15/x
  3. Step 3: Cross multiply
    471,599.34x = 650,786.67 × 256,740.15
  4. Step 4: Simplify right side
    471,599.34x = 167,083,067,273.80
  5. Step 5: Solve for x
    x = 167,083,067,273.80/471,599.34
  6. Step 6: Final answer
    x = 354,290.29

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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.