Home / 728,085.20-1,091,890.08-241,636.68

Finding the Fourth Proportional to 728,085.20, 1,091,890.08 and 241,636.68

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Solution

The fourth proportional to 728,085.20, 1,091,890.08 and 241,636.68 is: 362,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,085.20 : 1,091,890.08 = 241,636.68 : x
  2. Step 2: Convert to fraction form
    728,085.20/1,091,890.08 = 241,636.68/x
  3. Step 3: Cross multiply
    728,085.20x = 1,091,890.08 × 241,636.68
  4. Step 4: Simplify right side
    728,085.20x = 263,840,693,856.13
  5. Step 5: Solve for x
    x = 263,840,693,856.13/728,085.20
  6. Step 6: Final answer
    x = 362,376.13

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Double scale
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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.