Home / 889,895.97-1,228,046.67-481,987.67

Finding the Fourth Proportional to 889,895.97, 1,228,046.67 and 481,987.67

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Solution

The fourth proportional to 889,895.97, 1,228,046.67 and 481,987.67 is: 665,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,895.97 : 1,228,046.67 = 481,987.67 : x
  2. Step 2: Convert to fraction form
    889,895.97/1,228,046.67 = 481,987.67/x
  3. Step 3: Cross multiply
    889,895.97x = 1,228,046.67 × 481,987.67
  4. Step 4: Simplify right side
    889,895.97x = 591,903,346,984.33
  5. Step 5: Solve for x
    x = 591,903,346,984.33/889,895.97
  6. Step 6: Final answer
    x = 665,137.69

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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.