Home / 889,436.28-1,227,422.85-481,538.39

Finding the Fourth Proportional to 889,436.28, 1,227,422.85 and 481,538.39

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Solution

The fourth proportional to 889,436.28, 1,227,422.85 and 481,538.39 is: 664,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,436.28 : 1,227,422.85 = 481,538.39 : x
  2. Step 2: Convert to fraction form
    889,436.28/1,227,422.85 = 481,538.39/x
  3. Step 3: Cross multiply
    889,436.28x = 1,227,422.85 × 481,538.39
  4. Step 4: Simplify right side
    889,436.28x = 591,051,223,038.21
  5. Step 5: Solve for x
    x = 591,051,223,038.21/889,436.28
  6. Step 6: Final answer
    x = 664,523.40

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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.