Home / 930,541.05-1,395,048.75-331,160.90

Finding the Fourth Proportional to 930,541.05, 1,395,048.75 and 331,160.90

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Solution

The fourth proportional to 930,541.05, 1,395,048.75 and 331,160.90 is: 496,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,541.05 : 1,395,048.75 = 331,160.90 : x
  2. Step 2: Convert to fraction form
    930,541.05/1,395,048.75 = 331,160.90/x
  3. Step 3: Cross multiply
    930,541.05x = 1,395,048.75 × 331,160.90
  4. Step 4: Simplify right side
    930,541.05x = 461,985,599,593.88
  5. Step 5: Solve for x
    x = 461,985,599,593.88/930,541.05
  6. Step 6: Final answer
    x = 496,469.88

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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.