Home / 835,697.90-1,253,398.66-380,183.31

Finding the Fourth Proportional to 835,697.90, 1,253,398.66 and 380,183.31

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Solution

The fourth proportional to 835,697.90, 1,253,398.66 and 380,183.31 is: 570,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,697.90 : 1,253,398.66 = 380,183.31 : x
  2. Step 2: Convert to fraction form
    835,697.90/1,253,398.66 = 380,183.31/x
  3. Step 3: Cross multiply
    835,697.90x = 1,253,398.66 × 380,183.31
  4. Step 4: Simplify right side
    835,697.90x = 476,521,250,357.91
  5. Step 5: Solve for x
    x = 476,521,250,357.91/835,697.90
  6. Step 6: Final answer
    x = 570,207.55

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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.