Home / 631,117.85-946,954.19-331,528.82

Finding the Fourth Proportional to 631,117.85, 946,954.19 and 331,528.82

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Solution

The fourth proportional to 631,117.85, 946,954.19 and 331,528.82 is: 497,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,117.85 : 946,954.19 = 331,528.82 : x
  2. Step 2: Convert to fraction form
    631,117.85/946,954.19 = 331,528.82/x
  3. Step 3: Cross multiply
    631,117.85x = 946,954.19 × 331,528.82
  4. Step 4: Simplify right side
    631,117.85x = 313,942,601,298.81
  5. Step 5: Solve for x
    x = 313,942,601,298.81/631,117.85
  6. Step 6: Final answer
    x = 497,438.96

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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.