Home / 721,739.73-1,082,598.24-248,429.19

Finding the Fourth Proportional to 721,739.73, 1,082,598.24 and 248,429.19

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Solution

The fourth proportional to 721,739.73, 1,082,598.24 and 248,429.19 is: 372,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,739.73 : 1,082,598.24 = 248,429.19 : x
  2. Step 2: Convert to fraction form
    721,739.73/1,082,598.24 = 248,429.19/x
  3. Step 3: Cross multiply
    721,739.73x = 1,082,598.24 × 248,429.19
  4. Step 4: Simplify right side
    721,739.73x = 268,949,003,858.63
  5. Step 5: Solve for x
    x = 268,949,003,858.63/721,739.73
  6. Step 6: Final answer
    x = 372,639.88

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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.