Home / 889,870.74-1,228,014.18-481,963.11

Finding the Fourth Proportional to 889,870.74, 1,228,014.18 and 481,963.11

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Solution

The fourth proportional to 889,870.74, 1,228,014.18 and 481,963.11 is: 665,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,870.74 : 1,228,014.18 = 481,963.11 : x
  2. Step 2: Convert to fraction form
    889,870.74/1,228,014.18 = 481,963.11/x
  3. Step 3: Cross multiply
    889,870.74x = 1,228,014.18 × 481,963.11
  4. Step 4: Simplify right side
    889,870.74x = 591,857,533,316.90
  5. Step 5: Solve for x
    x = 591,857,533,316.90/889,870.74
  6. Step 6: Final answer
    x = 665,105.06

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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.