Home / 800,391.36-1,104,516.64-437,807.42

Finding the Fourth Proportional to 800,391.36, 1,104,516.64 and 437,807.42

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Solution

The fourth proportional to 800,391.36, 1,104,516.64 and 437,807.42 is: 604,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,391.36 : 1,104,516.64 = 437,807.42 : x
  2. Step 2: Convert to fraction form
    800,391.36/1,104,516.64 = 437,807.42/x
  3. Step 3: Cross multiply
    800,391.36x = 1,104,516.64 × 437,807.42
  4. Step 4: Simplify right side
    800,391.36x = 483,565,580,505.47
  5. Step 5: Solve for x
    x = 483,565,580,505.47/800,391.36
  6. Step 6: Final answer
    x = 604,161.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.