Home / 631,324.30-946,986.36-231,792.16

Finding the Fourth Proportional to 631,324.30, 946,986.36 and 231,792.16

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Solution

The fourth proportional to 631,324.30, 946,986.36 and 231,792.16 is: 347,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,324.30 : 946,986.36 = 231,792.16 : x
  2. Step 2: Convert to fraction form
    631,324.30/946,986.36 = 231,792.16/x
  3. Step 3: Cross multiply
    631,324.30x = 946,986.36 × 231,792.16
  4. Step 4: Simplify right side
    631,324.30x = 219,504,013,874.94
  5. Step 5: Solve for x
    x = 219,504,013,874.94/631,324.30
  6. Step 6: Final answer
    x = 347,688.21

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Half scale
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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.