Home / 849,724.20-1,172,652.84-467,786.52

Finding the Fourth Proportional to 849,724.20, 1,172,652.84 and 467,786.52

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Solution

The fourth proportional to 849,724.20, 1,172,652.84 and 467,786.52 is: 645,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,724.20 : 1,172,652.84 = 467,786.52 : x
  2. Step 2: Convert to fraction form
    849,724.20/1,172,652.84 = 467,786.52/x
  3. Step 3: Cross multiply
    849,724.20x = 1,172,652.84 × 467,786.52
  4. Step 4: Simplify right side
    849,724.20x = 548,551,191,191.72
  5. Step 5: Solve for x
    x = 548,551,191,191.72/849,724.20
  6. Step 6: Final answer
    x = 645,563.81

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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.