Home / 767,978.28-1,151,984.01-235,487.52

Finding the Fourth Proportional to 767,978.28, 1,151,984.01 and 235,487.52

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Solution

The fourth proportional to 767,978.28, 1,151,984.01 and 235,487.52 is: 353,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,978.28 : 1,151,984.01 = 235,487.52 : x
  2. Step 2: Convert to fraction form
    767,978.28/1,151,984.01 = 235,487.52/x
  3. Step 3: Cross multiply
    767,978.28x = 1,151,984.01 × 235,487.52
  4. Step 4: Simplify right side
    767,978.28x = 271,277,857,594.56
  5. Step 5: Solve for x
    x = 271,277,857,594.56/767,978.28
  6. Step 6: Final answer
    x = 353,236.37

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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.