Home / 865,184.49-1,297,776.74-325,542.24

Finding the Fourth Proportional to 865,184.49, 1,297,776.74 and 325,542.24

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Solution

The fourth proportional to 865,184.49, 1,297,776.74 and 325,542.24 is: 488,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,184.49 : 1,297,776.74 = 325,542.24 : x
  2. Step 2: Convert to fraction form
    865,184.49/1,297,776.74 = 325,542.24/x
  3. Step 3: Cross multiply
    865,184.49x = 1,297,776.74 × 325,542.24
  4. Step 4: Simplify right side
    865,184.49x = 422,481,145,331.79
  5. Step 5: Solve for x
    x = 422,481,145,331.79/865,184.49
  6. Step 6: Final answer
    x = 488,313.36

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Double scale
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Similar ratio
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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.