Home / 899,724.38-1,349,961.39-394,648.07

Finding the Fourth Proportional to 899,724.38, 1,349,961.39 and 394,648.07

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Solution

The fourth proportional to 899,724.38, 1,349,961.39 and 394,648.07 is: 592,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,724.38 : 1,349,961.39 = 394,648.07 : x
  2. Step 2: Convert to fraction form
    899,724.38/1,349,961.39 = 394,648.07/x
  3. Step 3: Cross multiply
    899,724.38x = 1,349,961.39 × 394,648.07
  4. Step 4: Simplify right side
    899,724.38x = 532,759,657,138.02
  5. Step 5: Solve for x
    x = 532,759,657,138.02/899,724.38
  6. Step 6: Final answer
    x = 592,136.51

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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.