Home / 771,449.13-1,157,081.57-202,874.54

Finding the Fourth Proportional to 771,449.13, 1,157,081.57 and 202,874.54

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Solution

The fourth proportional to 771,449.13, 1,157,081.57 and 202,874.54 is: 304,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,449.13 : 1,157,081.57 = 202,874.54 : x
  2. Step 2: Convert to fraction form
    771,449.13/1,157,081.57 = 202,874.54/x
  3. Step 3: Cross multiply
    771,449.13x = 1,157,081.57 × 202,874.54
  4. Step 4: Simplify right side
    771,449.13x = 234,742,384,456.45
  5. Step 5: Solve for x
    x = 234,742,384,456.45/771,449.13
  6. Step 6: Final answer
    x = 304,287.57

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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.