Home / 889,331.90-1,227,276.61-481,433.64

Finding the Fourth Proportional to 889,331.90, 1,227,276.61 and 481,433.64

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Solution

The fourth proportional to 889,331.90, 1,227,276.61 and 481,433.64 is: 664,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,331.90 : 1,227,276.61 = 481,433.64 : x
  2. Step 2: Convert to fraction form
    889,331.90/1,227,276.61 = 481,433.64/x
  3. Step 3: Cross multiply
    889,331.90x = 1,227,276.61 × 481,433.64
  4. Step 4: Simplify right side
    889,331.90x = 590,852,239,833.29
  5. Step 5: Solve for x
    x = 590,852,239,833.29/889,331.90
  6. Step 6: Final answer
    x = 664,377.65

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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.