Home / 889,891.79-1,228,050.12-481,993.50

Finding the Fourth Proportional to 889,891.79, 1,228,050.12 and 481,993.50

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Solution

The fourth proportional to 889,891.79, 1,228,050.12 and 481,993.50 is: 665,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,891.79 : 1,228,050.12 = 481,993.50 : x
  2. Step 2: Convert to fraction form
    889,891.79/1,228,050.12 = 481,993.50/x
  3. Step 3: Cross multiply
    889,891.79x = 1,228,050.12 × 481,993.50
  4. Step 4: Simplify right side
    889,891.79x = 591,912,181,926.88
  5. Step 5: Solve for x
    x = 591,912,181,926.88/889,891.79
  6. Step 6: Final answer
    x = 665,150.74

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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.