Home / 849,739.14-1,274,876.62-400,441.86

Finding the Fourth Proportional to 849,739.14, 1,274,876.62 and 400,441.86

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Solution

The fourth proportional to 849,739.14, 1,274,876.62 and 400,441.86 is: 600,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,739.14 : 1,274,876.62 = 400,441.86 : x
  2. Step 2: Convert to fraction form
    849,739.14/1,274,876.62 = 400,441.86/x
  3. Step 3: Cross multiply
    849,739.14x = 1,274,876.62 × 400,441.86
  4. Step 4: Simplify right side
    849,739.14x = 510,513,963,982.21
  5. Step 5: Solve for x
    x = 510,513,963,982.21/849,739.14
  6. Step 6: Final answer
    x = 600,789.04

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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.