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Finding the Fourth Proportional to 504,371.88, 756,047.46 and 326,991.60

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Solution

The fourth proportional to 504,371.88, 756,047.46 and 326,991.60 is: 490,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,371.88 : 756,047.46 = 326,991.60 : x
  2. Step 2: Convert to fraction form
    504,371.88/756,047.46 = 326,991.60/x
  3. Step 3: Cross multiply
    504,371.88x = 756,047.46 × 326,991.60
  4. Step 4: Simplify right side
    504,371.88x = 247,221,168,621.34
  5. Step 5: Solve for x
    x = 247,221,168,621.34/504,371.88
  6. Step 6: Final answer
    x = 490,156.53

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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.