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Finding the Fourth Proportional to 586,679.37, 809,550.63 and 328,520.43

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Solution

The fourth proportional to 586,679.37, 809,550.63 and 328,520.43 is: 453,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,679.37 : 809,550.63 = 328,520.43 : x
  2. Step 2: Convert to fraction form
    586,679.37/809,550.63 = 328,520.43/x
  3. Step 3: Cross multiply
    586,679.37x = 809,550.63 × 328,520.43
  4. Step 4: Simplify right side
    586,679.37x = 265,953,921,074.37
  5. Step 5: Solve for x
    x = 265,953,921,074.37/586,679.37
  6. Step 6: Final answer
    x = 453,320.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.