Home / 888,936.52-1,333,551.66-289,723.72

Finding the Fourth Proportional to 888,936.52, 1,333,551.66 and 289,723.72

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Solution

The fourth proportional to 888,936.52, 1,333,551.66 and 289,723.72 is: 434,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,936.52 : 1,333,551.66 = 289,723.72 : x
  2. Step 2: Convert to fraction form
    888,936.52/1,333,551.66 = 289,723.72/x
  3. Step 3: Cross multiply
    888,936.52x = 1,333,551.66 × 289,723.72
  4. Step 4: Simplify right side
    888,936.52x = 386,361,547,747.38
  5. Step 5: Solve for x
    x = 386,361,547,747.38/888,936.52
  6. Step 6: Final answer
    x = 434,633.45

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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.