Home / 889,348.23-1,227,300.30-481,449.78

Finding the Fourth Proportional to 889,348.23, 1,227,300.30 and 481,449.78

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Solution

The fourth proportional to 889,348.23, 1,227,300.30 and 481,449.78 is: 664,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,348.23 : 1,227,300.30 = 481,449.78 : x
  2. Step 2: Convert to fraction form
    889,348.23/1,227,300.30 = 481,449.78/x
  3. Step 3: Cross multiply
    889,348.23x = 1,227,300.30 × 481,449.78
  4. Step 4: Simplify right side
    889,348.23x = 590,883,459,428.93
  5. Step 5: Solve for x
    x = 590,883,459,428.93/889,348.23
  6. Step 6: Final answer
    x = 664,400.56

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Double scale
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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.