Home / 876,489.13-1,209,530.46-494,551.45

Finding the Fourth Proportional to 876,489.13, 1,209,530.46 and 494,551.45

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Solution

The fourth proportional to 876,489.13, 1,209,530.46 and 494,551.45 is: 682,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,489.13 : 1,209,530.46 = 494,551.45 : x
  2. Step 2: Convert to fraction form
    876,489.13/1,209,530.46 = 494,551.45/x
  3. Step 3: Cross multiply
    876,489.13x = 1,209,530.46 × 494,551.45
  4. Step 4: Simplify right side
    876,489.13x = 598,175,042,812.17
  5. Step 5: Solve for x
    x = 598,175,042,812.17/876,489.13
  6. Step 6: Final answer
    x = 682,467.15

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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.