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Finding the Fourth Proportional to 521,703.54, 783,349.92 and 496,014.05

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Solution

The fourth proportional to 521,703.54, 783,349.92 and 496,014.05 is: 744,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,703.54 : 783,349.92 = 496,014.05 : x
  2. Step 2: Convert to fraction form
    521,703.54/783,349.92 = 496,014.05/x
  3. Step 3: Cross multiply
    521,703.54x = 783,349.92 × 496,014.05
  4. Step 4: Simplify right side
    521,703.54x = 388,552,568,344.75
  5. Step 5: Solve for x
    x = 388,552,568,344.75/521,703.54
  6. Step 6: Final answer
    x = 744,776.56

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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.