Home / 889,470.90-1,227,455.10-481,569.48

Finding the Fourth Proportional to 889,470.90, 1,227,455.10 and 481,569.48

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Solution

The fourth proportional to 889,470.90, 1,227,455.10 and 481,569.48 is: 664,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,470.90 : 1,227,455.10 = 481,569.48 : x
  2. Step 2: Convert to fraction form
    889,470.90/1,227,455.10 = 481,569.48/x
  3. Step 3: Cross multiply
    889,470.90x = 1,227,455.10 × 481,569.48
  4. Step 4: Simplify right side
    889,470.90x = 591,104,914,230.35
  5. Step 5: Solve for x
    x = 591,104,914,230.35/889,470.90
  6. Step 6: Final answer
    x = 664,557.90

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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.