Home / 821,437.63-1,232,273.18-252,866.03

Finding the Fourth Proportional to 821,437.63, 1,232,273.18 and 252,866.03

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Solution

The fourth proportional to 821,437.63, 1,232,273.18 and 252,866.03 is: 379,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,437.63 : 1,232,273.18 = 252,866.03 : x
  2. Step 2: Convert to fraction form
    821,437.63/1,232,273.18 = 252,866.03/x
  3. Step 3: Cross multiply
    821,437.63x = 1,232,273.18 × 252,866.03
  4. Step 4: Simplify right side
    821,437.63x = 311,600,021,372.88
  5. Step 5: Solve for x
    x = 311,600,021,372.88/821,437.63
  6. Step 6: Final answer
    x = 379,334.97

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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.