Home / 791,632.11-1,186,998.31-311,599.74

Finding the Fourth Proportional to 791,632.11, 1,186,998.31 and 311,599.74

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Solution

The fourth proportional to 791,632.11, 1,186,998.31 and 311,599.74 is: 467,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,632.11 : 1,186,998.31 = 311,599.74 : x
  2. Step 2: Convert to fraction form
    791,632.11/1,186,998.31 = 311,599.74/x
  3. Step 3: Cross multiply
    791,632.11x = 1,186,998.31 × 311,599.74
  4. Step 4: Simplify right side
    791,632.11x = 369,868,369,617.18
  5. Step 5: Solve for x
    x = 369,868,369,617.18/791,632.11
  6. Step 6: Final answer
    x = 467,222.54

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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.