Home / 873,977.90-1,206,204.46-492,079.10

Finding the Fourth Proportional to 873,977.90, 1,206,204.46 and 492,079.10

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Solution

The fourth proportional to 873,977.90, 1,206,204.46 and 492,079.10 is: 679,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,977.90 : 1,206,204.46 = 492,079.10 : x
  2. Step 2: Convert to fraction form
    873,977.90/1,206,204.46 = 492,079.10/x
  3. Step 3: Cross multiply
    873,977.90x = 1,206,204.46 × 492,079.10
  4. Step 4: Simplify right side
    873,977.90x = 593,548,005,092.79
  5. Step 5: Solve for x
    x = 593,548,005,092.79/873,977.90
  6. Step 6: Final answer
    x = 679,133.88

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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.