Home / 806,788.23-1,209,900.24-238,018.34

Finding the Fourth Proportional to 806,788.23, 1,209,900.24 and 238,018.34

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Solution

The fourth proportional to 806,788.23, 1,209,900.24 and 238,018.34 is: 356,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,788.23 : 1,209,900.24 = 238,018.34 : x
  2. Step 2: Convert to fraction form
    806,788.23/1,209,900.24 = 238,018.34/x
  3. Step 3: Cross multiply
    806,788.23x = 1,209,900.24 × 238,018.34
  4. Step 4: Simplify right side
    806,788.23x = 287,978,440,640.90
  5. Step 5: Solve for x
    x = 287,978,440,640.90/806,788.23
  6. Step 6: Final answer
    x = 356,944.28

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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.