Home / 631,321.05-946,981.57-231,788.95

Finding the Fourth Proportional to 631,321.05, 946,981.57 and 231,788.95

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Solution

The fourth proportional to 631,321.05, 946,981.57 and 231,788.95 is: 347,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,321.05 : 946,981.57 = 231,788.95 : x
  2. Step 2: Convert to fraction form
    631,321.05/946,981.57 = 231,788.95/x
  3. Step 3: Cross multiply
    631,321.05x = 946,981.57 × 231,788.95
  4. Step 4: Simplify right side
    631,321.05x = 219,499,866,726.58
  5. Step 5: Solve for x
    x = 219,499,866,726.58/631,321.05
  6. Step 6: Final answer
    x = 347,683.43

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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.