Home / 721,828.80-1,082,840.40-248,659.20

Finding the Fourth Proportional to 721,828.80, 1,082,840.40 and 248,659.20

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Solution

The fourth proportional to 721,828.80, 1,082,840.40 and 248,659.20 is: 373,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,828.80 : 1,082,840.40 = 248,659.20 : x
  2. Step 2: Convert to fraction form
    721,828.80/1,082,840.40 = 248,659.20/x
  3. Step 3: Cross multiply
    721,828.80x = 1,082,840.40 × 248,659.20
  4. Step 4: Simplify right side
    721,828.80x = 269,258,227,591.68
  5. Step 5: Solve for x
    x = 269,258,227,591.68/721,828.80
  6. Step 6: Final answer
    x = 373,022.28

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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.