Home / 721,654.52-1,082,722.21-241,929.72

Finding the Fourth Proportional to 721,654.52, 1,082,722.21 and 241,929.72

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Solution

The fourth proportional to 721,654.52, 1,082,722.21 and 241,929.72 is: 362,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,654.52 : 1,082,722.21 = 241,929.72 : x
  2. Step 2: Convert to fraction form
    721,654.52/1,082,722.21 = 241,929.72/x
  3. Step 3: Cross multiply
    721,654.52x = 1,082,722.21 × 241,929.72
  4. Step 4: Simplify right side
    721,654.52x = 261,942,680,498.26
  5. Step 5: Solve for x
    x = 261,942,680,498.26/721,654.52
  6. Step 6: Final answer
    x = 362,975.18

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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.