Home / 806,765.35-1,209,865.97-237,995.43

Finding the Fourth Proportional to 806,765.35, 1,209,865.97 and 237,995.43

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Solution

The fourth proportional to 806,765.35, 1,209,865.97 and 237,995.43 is: 356,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,765.35 : 1,209,865.97 = 237,995.43 : x
  2. Step 2: Convert to fraction form
    806,765.35/1,209,865.97 = 237,995.43/x
  3. Step 3: Cross multiply
    806,765.35x = 1,209,865.97 × 237,995.43
  4. Step 4: Simplify right side
    806,765.35x = 287,942,572,367.51
  5. Step 5: Solve for x
    x = 287,942,572,367.51/806,765.35
  6. Step 6: Final answer
    x = 356,909.94

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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.