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Finding the Fourth Proportional to 889,407, 1,227,373.14 and 481,498.39

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Solution

The fourth proportional to 889,407, 1,227,373.14 and 481,498.39 is: 664,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,407 : 1,227,373.14 = 481,498.39 : x
  2. Step 2: Convert to fraction form
    889,407/1,227,373.14 = 481,498.39/x
  3. Step 3: Cross multiply
    889,407x = 1,227,373.14 × 481,498.39
  4. Step 4: Simplify right side
    889,407x = 590,978,190,839.25
  5. Step 5: Solve for x
    x = 590,978,190,839.25/889,407
  6. Step 6: Final answer
    x = 664,463.17

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1.5x scale

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.