Home / 658,026.28-984,190.00-387,509.59

Finding the Fourth Proportional to 658,026.28, 984,190.00 and 387,509.59

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Solution

The fourth proportional to 658,026.28, 984,190.00 and 387,509.59 is: 579,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,026.28 : 984,190.00 = 387,509.59 : x
  2. Step 2: Convert to fraction form
    658,026.28/984,190.00 = 387,509.59/x
  3. Step 3: Cross multiply
    658,026.28x = 984,190.00 × 387,509.59
  4. Step 4: Simplify right side
    658,026.28x = 381,383,061,182.58
  5. Step 5: Solve for x
    x = 381,383,061,182.58/658,026.28
  6. Step 6: Final answer
    x = 579,586.37

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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.