Home / 889,265.72-1,227,187.42-481,366.32

Finding the Fourth Proportional to 889,265.72, 1,227,187.42 and 481,366.32

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Solution

The fourth proportional to 889,265.72, 1,227,187.42 and 481,366.32 is: 664,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,265.72 : 1,227,187.42 = 481,366.32 : x
  2. Step 2: Convert to fraction form
    889,265.72/1,227,187.42 = 481,366.32/x
  3. Step 3: Cross multiply
    889,265.72x = 1,227,187.42 × 481,366.32
  4. Step 4: Simplify right side
    889,265.72x = 590,726,692,315.69
  5. Step 5: Solve for x
    x = 590,726,692,315.69/889,265.72
  6. Step 6: Final answer
    x = 664,285.91

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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.