Home / 889,450.77-1,227,442.86-481,552.92

Finding the Fourth Proportional to 889,450.77, 1,227,442.86 and 481,552.92

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Solution

The fourth proportional to 889,450.77, 1,227,442.86 and 481,552.92 is: 664,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,450.77 : 1,227,442.86 = 481,552.92 : x
  2. Step 2: Convert to fraction form
    889,450.77/1,227,442.86 = 481,552.92/x
  3. Step 3: Cross multiply
    889,450.77x = 1,227,442.86 × 481,552.92
  4. Step 4: Simplify right side
    889,450.77x = 591,078,693,366.15
  5. Step 5: Solve for x
    x = 591,078,693,366.15/889,450.77
  6. Step 6: Final answer
    x = 664,543.46

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Half scale
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Double scale
Find fourth proportional to 889,451.77, 1,227,444.24 and 481,553.92
Similar ratio
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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.