Home / 842,614.84-1,264,241.49-505,890.64

Finding the Fourth Proportional to 842,614.84, 1,264,241.49 and 505,890.64

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Solution

The fourth proportional to 842,614.84, 1,264,241.49 and 505,890.64 is: 759,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,614.84 : 1,264,241.49 = 505,890.64 : x
  2. Step 2: Convert to fraction form
    842,614.84/1,264,241.49 = 505,890.64/x
  3. Step 3: Cross multiply
    842,614.84x = 1,264,241.49 × 505,890.64
  4. Step 4: Simplify right side
    842,614.84x = 639,567,936,490.65
  5. Step 5: Solve for x
    x = 639,567,936,490.65/842,614.84
  6. Step 6: Final answer
    x = 759,027.62

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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.