Home / 769,813.80-1,154,390.43-264,425.64

Finding the Fourth Proportional to 769,813.80, 1,154,390.43 and 264,425.64

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Solution

The fourth proportional to 769,813.80, 1,154,390.43 and 264,425.64 is: 396,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,813.80 : 1,154,390.43 = 264,425.64 : x
  2. Step 2: Convert to fraction form
    769,813.80/1,154,390.43 = 264,425.64/x
  3. Step 3: Cross multiply
    769,813.80x = 1,154,390.43 × 264,425.64
  4. Step 4: Simplify right side
    769,813.80x = 305,250,428,262.63
  5. Step 5: Solve for x
    x = 305,250,428,262.63/769,813.80
  6. Step 6: Final answer
    x = 396,525.01

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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.