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Finding the Fourth Proportional to 492,645.22, 679,850.06 and 266,290.72

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Solution

The fourth proportional to 492,645.22, 679,850.06 and 266,290.72 is: 367,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,645.22 : 679,850.06 = 266,290.72 : x
  2. Step 2: Convert to fraction form
    492,645.22/679,850.06 = 266,290.72/x
  3. Step 3: Cross multiply
    492,645.22x = 679,850.06 × 266,290.72
  4. Step 4: Simplify right side
    492,645.22x = 181,037,761,969.44
  5. Step 5: Solve for x
    x = 181,037,761,969.44/492,645.22
  6. Step 6: Final answer
    x = 367,481.01

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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.