Home / 889,388.73-1,227,354.93-481,490.42

Finding the Fourth Proportional to 889,388.73, 1,227,354.93 and 481,490.42

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Solution

The fourth proportional to 889,388.73, 1,227,354.93 and 481,490.42 is: 664,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,388.73 : 1,227,354.93 = 481,490.42 : x
  2. Step 2: Convert to fraction form
    889,388.73/1,227,354.93 = 481,490.42/x
  3. Step 3: Cross multiply
    889,388.73x = 1,227,354.93 × 481,490.42
  4. Step 4: Simplify right side
    889,388.73x = 590,959,634,598.00
  5. Step 5: Solve for x
    x = 590,959,634,598.00/889,388.73
  6. Step 6: Final answer
    x = 664,455.95

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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.