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Finding the Fourth Proportional to 519,604, 777,154.44 and 305,862.52

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Solution

The fourth proportional to 519,604, 777,154.44 and 305,862.52 is: 457,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,604 : 777,154.44 = 305,862.52 : x
  2. Step 2: Convert to fraction form
    519,604/777,154.44 = 305,862.52/x
  3. Step 3: Cross multiply
    519,604x = 777,154.44 × 305,862.52
  4. Step 4: Simplify right side
    519,604x = 237,702,415,447.59
  5. Step 5: Solve for x
    x = 237,702,415,447.59/519,604
  6. Step 6: Final answer
    x = 457,468.41

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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.