Home / 449,743.80-674,226.90-272,062.20

Finding the Fourth Proportional to 449,743.80, 674,226.90 and 272,062.20

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Solution

The fourth proportional to 449,743.80, 674,226.90 and 272,062.20 is: 407,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,743.80 : 674,226.90 = 272,062.20 : x
  2. Step 2: Convert to fraction form
    449,743.80/674,226.90 = 272,062.20/x
  3. Step 3: Cross multiply
    449,743.80x = 674,226.90 × 272,062.20
  4. Step 4: Simplify right side
    449,743.80x = 183,431,653,713.18
  5. Step 5: Solve for x
    x = 183,431,653,713.18/449,743.80
  6. Step 6: Final answer
    x = 407,858.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.