Home / 899,722.38-1,349,958.39-394,646.07

Finding the Fourth Proportional to 899,722.38, 1,349,958.39 and 394,646.07

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Solution

The fourth proportional to 899,722.38, 1,349,958.39 and 394,646.07 is: 592,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,722.38 : 1,349,958.39 = 394,646.07 : x
  2. Step 2: Convert to fraction form
    899,722.38/1,349,958.39 = 394,646.07/x
  3. Step 3: Cross multiply
    899,722.38x = 1,349,958.39 × 394,646.07
  4. Step 4: Simplify right side
    899,722.38x = 532,755,773,277.03
  5. Step 5: Solve for x
    x = 532,755,773,277.03/899,722.38
  6. Step 6: Final answer
    x = 592,133.51

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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.