Home / 874,024.10-1,206,268.20-492,125.30

Finding the Fourth Proportional to 874,024.10, 1,206,268.20 and 492,125.30

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Solution

The fourth proportional to 874,024.10, 1,206,268.20 and 492,125.30 is: 679,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,024.10 : 1,206,268.20 = 492,125.30 : x
  2. Step 2: Convert to fraction form
    874,024.10/1,206,268.20 = 492,125.30/x
  3. Step 3: Cross multiply
    874,024.10x = 1,206,268.20 × 492,125.30
  4. Step 4: Simplify right side
    874,024.10x = 593,635,099,805.46
  5. Step 5: Solve for x
    x = 593,635,099,805.46/874,024.10
  6. Step 6: Final answer
    x = 679,197.63

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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.