Home / 810,241.71-1,118,145.30-447,673.92

Finding the Fourth Proportional to 810,241.71, 1,118,145.30 and 447,673.92

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Solution

The fourth proportional to 810,241.71, 1,118,145.30 and 447,673.92 is: 617,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,241.71 : 1,118,145.30 = 447,673.92 : x
  2. Step 2: Convert to fraction form
    810,241.71/1,118,145.30 = 447,673.92/x
  3. Step 3: Cross multiply
    810,241.71x = 1,118,145.30 × 447,673.92
  4. Step 4: Simplify right side
    810,241.71x = 500,564,489,580.58
  5. Step 5: Solve for x
    x = 500,564,489,580.58/810,241.71
  6. Step 6: Final answer
    x = 617,796.50

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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.