Home / 679,939.62-1,017,393.72-410,224.20

Finding the Fourth Proportional to 679,939.62, 1,017,393.72 and 410,224.20

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Solution

The fourth proportional to 679,939.62, 1,017,393.72 and 410,224.20 is: 613,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,939.62 : 1,017,393.72 = 410,224.20 : x
  2. Step 2: Convert to fraction form
    679,939.62/1,017,393.72 = 410,224.20/x
  3. Step 3: Cross multiply
    679,939.62x = 1,017,393.72 × 410,224.20
  4. Step 4: Simplify right side
    679,939.62x = 417,359,524,872.02
  5. Step 5: Solve for x
    x = 417,359,524,872.02/679,939.62
  6. Step 6: Final answer
    x = 613,818.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.