Home / 800,656.20-1,105,187.04-494,967.06

Finding the Fourth Proportional to 800,656.20, 1,105,187.04 and 494,967.06

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Solution

The fourth proportional to 800,656.20, 1,105,187.04 and 494,967.06 is: 683,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,656.20 : 1,105,187.04 = 494,967.06 : x
  2. Step 2: Convert to fraction form
    800,656.20/1,105,187.04 = 494,967.06/x
  3. Step 3: Cross multiply
    800,656.20x = 1,105,187.04 × 494,967.06
  4. Step 4: Simplify right side
    800,656.20x = 547,031,179,938.90
  5. Step 5: Solve for x
    x = 547,031,179,938.90/800,656.20
  6. Step 6: Final answer
    x = 683,228.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.