Home / 729,330.72-1,093,429.48-472,621

Finding the Fourth Proportional to 729,330.72, 1,093,429.48 and 472,621

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Solution

The fourth proportional to 729,330.72, 1,093,429.48 and 472,621 is: 708,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,330.72 : 1,093,429.48 = 472,621 : x
  2. Step 2: Convert to fraction form
    729,330.72/1,093,429.48 = 472,621/x
  3. Step 3: Cross multiply
    729,330.72x = 1,093,429.48 × 472,621
  4. Step 4: Simplify right side
    729,330.72x = 516,777,734,267.08
  5. Step 5: Solve for x
    x = 516,777,734,267.08/729,330.72
  6. Step 6: Final answer
    x = 708,564.33

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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.