Home / 816,512.42-1,224,796.26-284,038.06

Finding the Fourth Proportional to 816,512.42, 1,224,796.26 and 284,038.06

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Solution

The fourth proportional to 816,512.42, 1,224,796.26 and 284,038.06 is: 426,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,512.42 : 1,224,796.26 = 284,038.06 : x
  2. Step 2: Convert to fraction form
    816,512.42/1,224,796.26 = 284,038.06/x
  3. Step 3: Cross multiply
    816,512.42x = 1,224,796.26 × 284,038.06
  4. Step 4: Simplify right side
    816,512.42x = 347,888,753,585.66
  5. Step 5: Solve for x
    x = 347,888,753,585.66/816,512.42
  6. Step 6: Final answer
    x = 426,066.70

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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.