Home / 721,842.30-1,082,860.65-248,672.70

Finding the Fourth Proportional to 721,842.30, 1,082,860.65 and 248,672.70

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Solution

The fourth proportional to 721,842.30, 1,082,860.65 and 248,672.70 is: 373,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,842.30 : 1,082,860.65 = 248,672.70 : x
  2. Step 2: Convert to fraction form
    721,842.30/1,082,860.65 = 248,672.70/x
  3. Step 3: Cross multiply
    721,842.30x = 1,082,860.65 × 248,672.70
  4. Step 4: Simplify right side
    721,842.30x = 269,277,881,559.26
  5. Step 5: Solve for x
    x = 269,277,881,559.26/721,842.30
  6. Step 6: Final answer
    x = 373,042.54

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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.