Home / 889,638.39-1,334,864.22-484,223.26

Finding the Fourth Proportional to 889,638.39, 1,334,864.22 and 484,223.26

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Solution

The fourth proportional to 889,638.39, 1,334,864.22 and 484,223.26 is: 726,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,638.39 : 1,334,864.22 = 484,223.26 : x
  2. Step 2: Convert to fraction form
    889,638.39/1,334,864.22 = 484,223.26/x
  3. Step 3: Cross multiply
    889,638.39x = 1,334,864.22 × 484,223.26
  4. Step 4: Simplify right side
    889,638.39x = 646,372,304,265.76
  5. Step 5: Solve for x
    x = 646,372,304,265.76/889,638.39
  6. Step 6: Final answer
    x = 726,556.22

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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.