Home / 905,204.60-1,357,806.69-231,287.16

Finding the Fourth Proportional to 905,204.60, 1,357,806.69 and 231,287.16

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Solution

The fourth proportional to 905,204.60, 1,357,806.69 and 231,287.16 is: 346,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,204.60 : 1,357,806.69 = 231,287.16 : x
  2. Step 2: Convert to fraction form
    905,204.60/1,357,806.69 = 231,287.16/x
  3. Step 3: Cross multiply
    905,204.60x = 1,357,806.69 × 231,287.16
  4. Step 4: Simplify right side
    905,204.60x = 314,043,253,159.10
  5. Step 5: Solve for x
    x = 314,043,253,159.10/905,204.60
  6. Step 6: Final answer
    x = 346,930.69

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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.