Home / 874,604.66-1,206,541.85-511,803.90

Finding the Fourth Proportional to 874,604.66, 1,206,541.85 and 511,803.90

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Solution

The fourth proportional to 874,604.66, 1,206,541.85 and 511,803.90 is: 706,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,604.66 : 1,206,541.85 = 511,803.90 : x
  2. Step 2: Convert to fraction form
    874,604.66/1,206,541.85 = 511,803.90/x
  3. Step 3: Cross multiply
    874,604.66x = 1,206,541.85 × 511,803.90
  4. Step 4: Simplify right side
    874,604.66x = 617,512,821,784.20
  5. Step 5: Solve for x
    x = 617,512,821,784.20/874,604.66
  6. Step 6: Final answer
    x = 706,047.95

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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.