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Finding the Fourth Proportional to 722,120.00, 996,559.83 and 435,633.94

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Solution

The fourth proportional to 722,120.00, 996,559.83 and 435,633.94 is: 601,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,120.00 : 996,559.83 = 435,633.94 : x
  2. Step 2: Convert to fraction form
    722,120.00/996,559.83 = 435,633.94/x
  3. Step 3: Cross multiply
    722,120.00x = 996,559.83 × 435,633.94
  4. Step 4: Simplify right side
    722,120.00x = 434,135,282,697.23
  5. Step 5: Solve for x
    x = 434,135,282,697.23/722,120.00
  6. Step 6: Final answer
    x = 601,195.48

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Why These Related Problems?

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