Home / 914,774.62-1,372,164.90-231,661.09

Finding the Fourth Proportional to 914,774.62, 1,372,164.90 and 231,661.09

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Solution

The fourth proportional to 914,774.62, 1,372,164.90 and 231,661.09 is: 347,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,774.62 : 1,372,164.90 = 231,661.09 : x
  2. Step 2: Convert to fraction form
    914,774.62/1,372,164.90 = 231,661.09/x
  3. Step 3: Cross multiply
    914,774.62x = 1,372,164.90 × 231,661.09
  4. Step 4: Simplify right side
    914,774.62x = 317,877,216,393.74
  5. Step 5: Solve for x
    x = 317,877,216,393.74/914,774.62
  6. Step 6: Final answer
    x = 347,492.39

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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.