Home / 874,261.32-1,310,613.99-341,661.24

Finding the Fourth Proportional to 874,261.32, 1,310,613.99 and 341,661.24

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Solution

The fourth proportional to 874,261.32, 1,310,613.99 and 341,661.24 is: 512,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,261.32 : 1,310,613.99 = 341,661.24 : x
  2. Step 2: Convert to fraction form
    874,261.32/1,310,613.99 = 341,661.24/x
  3. Step 3: Cross multiply
    874,261.32x = 1,310,613.99 × 341,661.24
  4. Step 4: Simplify right side
    874,261.32x = 447,786,000,984.75
  5. Step 5: Solve for x
    x = 447,786,000,984.75/874,261.32
  6. Step 6: Final answer
    x = 512,187.82

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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.