Home / 478,823.40-660,747.78-263,972.52

Finding the Fourth Proportional to 478,823.40, 660,747.78 and 263,972.52

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Solution

The fourth proportional to 478,823.40, 660,747.78 and 263,972.52 is: 364,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,823.40 : 660,747.78 = 263,972.52 : x
  2. Step 2: Convert to fraction form
    478,823.40/660,747.78 = 263,972.52/x
  3. Step 3: Cross multiply
    478,823.40x = 660,747.78 × 263,972.52
  4. Step 4: Simplify right side
    478,823.40x = 174,419,256,571.01
  5. Step 5: Solve for x
    x = 174,419,256,571.01/478,823.40
  6. Step 6: Final answer
    x = 364,266.36

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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.