Home / 889,539.82-1,227,565.53-481,641.95

Finding the Fourth Proportional to 889,539.82, 1,227,565.53 and 481,641.95

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Solution

The fourth proportional to 889,539.82, 1,227,565.53 and 481,641.95 is: 664,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,539.82 : 1,227,565.53 = 481,641.95 : x
  2. Step 2: Convert to fraction form
    889,539.82/1,227,565.53 = 481,641.95/x
  3. Step 3: Cross multiply
    889,539.82x = 1,227,565.53 × 481,641.95
  4. Step 4: Simplify right side
    889,539.82x = 591,247,051,785.84
  5. Step 5: Solve for x
    x = 591,247,051,785.84/889,539.82
  6. Step 6: Final answer
    x = 664,666.20

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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.