Home / 889,716.71-1,227,815.06-481,818.88

Finding the Fourth Proportional to 889,716.71, 1,227,815.06 and 481,818.88

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Solution

The fourth proportional to 889,716.71, 1,227,815.06 and 481,818.88 is: 664,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,716.71 : 1,227,815.06 = 481,818.88 : x
  2. Step 2: Convert to fraction form
    889,716.71/1,227,815.06 = 481,818.88/x
  3. Step 3: Cross multiply
    889,716.71x = 1,227,815.06 × 481,818.88
  4. Step 4: Simplify right side
    889,716.71x = 591,584,478,892.24
  5. Step 5: Solve for x
    x = 591,584,478,892.24/889,716.71
  6. Step 6: Final answer
    x = 664,913.31

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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.