Home / 800,431.34-1,104,604.01-437,855.20

Finding the Fourth Proportional to 800,431.34, 1,104,604.01 and 437,855.20

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Solution

The fourth proportional to 800,431.34, 1,104,604.01 and 437,855.20 is: 604,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,431.34 : 1,104,604.01 = 437,855.20 : x
  2. Step 2: Convert to fraction form
    800,431.34/1,104,604.01 = 437,855.20/x
  3. Step 3: Cross multiply
    800,431.34x = 1,104,604.01 × 437,855.20
  4. Step 4: Simplify right side
    800,431.34x = 483,656,614,265.88
  5. Step 5: Solve for x
    x = 483,656,614,265.88/800,431.34
  6. Step 6: Final answer
    x = 604,244.97

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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.