Home / 810,221.68-1,118,092.26-447,660.64

Finding the Fourth Proportional to 810,221.68, 1,118,092.26 and 447,660.64

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Solution

The fourth proportional to 810,221.68, 1,118,092.26 and 447,660.64 is: 617,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,221.68 : 1,118,092.26 = 447,660.64 : x
  2. Step 2: Convert to fraction form
    810,221.68/1,118,092.26 = 447,660.64/x
  3. Step 3: Cross multiply
    810,221.68x = 1,118,092.26 × 447,660.64
  4. Step 4: Simplify right side
    810,221.68x = 500,525,896,690.65
  5. Step 5: Solve for x
    x = 500,525,896,690.65/810,221.68
  6. Step 6: Final answer
    x = 617,764.14

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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.