Home / 835,659.92-1,253,341.62-380,145.08

Finding the Fourth Proportional to 835,659.92, 1,253,341.62 and 380,145.08

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Solution

The fourth proportional to 835,659.92, 1,253,341.62 and 380,145.08 is: 570,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,659.92 : 1,253,341.62 = 380,145.08 : x
  2. Step 2: Convert to fraction form
    835,659.92/1,253,341.62 = 380,145.08/x
  3. Step 3: Cross multiply
    835,659.92x = 1,253,341.62 × 380,145.08
  4. Step 4: Simplify right side
    835,659.92x = 476,451,644,135.52
  5. Step 5: Solve for x
    x = 476,451,644,135.52/835,659.92
  6. Step 6: Final answer
    x = 570,150.17

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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.