Home / 806,199.90-1,209,299.85-293,903.48

Finding the Fourth Proportional to 806,199.90, 1,209,299.85 and 293,903.48

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Solution

The fourth proportional to 806,199.90, 1,209,299.85 and 293,903.48 is: 440,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,199.90 : 1,209,299.85 = 293,903.48 : x
  2. Step 2: Convert to fraction form
    806,199.90/1,209,299.85 = 293,903.48/x
  3. Step 3: Cross multiply
    806,199.90x = 1,209,299.85 × 293,903.48
  4. Step 4: Simplify right side
    806,199.90x = 355,417,428,231.98
  5. Step 5: Solve for x
    x = 355,417,428,231.98/806,199.90
  6. Step 6: Final answer
    x = 440,855.21

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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.