Home / 874,479.56-1,206,750.30-492,541.88

Finding the Fourth Proportional to 874,479.56, 1,206,750.30 and 492,541.88

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Solution

The fourth proportional to 874,479.56, 1,206,750.30 and 492,541.88 is: 679,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,479.56 : 1,206,750.30 = 492,541.88 : x
  2. Step 2: Convert to fraction form
    874,479.56/1,206,750.30 = 492,541.88/x
  3. Step 3: Cross multiply
    874,479.56x = 1,206,750.30 × 492,541.88
  4. Step 4: Simplify right side
    874,479.56x = 594,375,061,452.56
  5. Step 5: Solve for x
    x = 594,375,061,452.56/874,479.56
  6. Step 6: Final answer
    x = 679,690.06

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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.