Home / 889,338.45-1,227,285.77-481,438.29

Finding the Fourth Proportional to 889,338.45, 1,227,285.77 and 481,438.29

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Solution

The fourth proportional to 889,338.45, 1,227,285.77 and 481,438.29 is: 664,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,338.45 : 1,227,285.77 = 481,438.29 : x
  2. Step 2: Convert to fraction form
    889,338.45/1,227,285.77 = 481,438.29/x
  3. Step 3: Cross multiply
    889,338.45x = 1,227,285.77 × 481,438.29
  4. Step 4: Simplify right side
    889,338.45x = 590,862,360,042.94
  5. Step 5: Solve for x
    x = 590,862,360,042.94/889,338.45
  6. Step 6: Final answer
    x = 664,384.14

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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.