Home / 791,632.62-1,186,999.06-311,600.25

Finding the Fourth Proportional to 791,632.62, 1,186,999.06 and 311,600.25

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Solution

The fourth proportional to 791,632.62, 1,186,999.06 and 311,600.25 is: 467,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,632.62 : 1,186,999.06 = 311,600.25 : x
  2. Step 2: Convert to fraction form
    791,632.62/1,186,999.06 = 311,600.25/x
  3. Step 3: Cross multiply
    791,632.62x = 1,186,999.06 × 311,600.25
  4. Step 4: Simplify right side
    791,632.62x = 369,869,197,910.77
  5. Step 5: Solve for x
    x = 369,869,197,910.77/791,632.62
  6. Step 6: Final answer
    x = 467,223.29

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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.