Home / 729,623.20-1,094,434.80-414,695.20

Finding the Fourth Proportional to 729,623.20, 1,094,434.80 and 414,695.20

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Solution

The fourth proportional to 729,623.20, 1,094,434.80 and 414,695.20 is: 622,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,623.20 : 1,094,434.80 = 414,695.20 : x
  2. Step 2: Convert to fraction form
    729,623.20/1,094,434.80 = 414,695.20/x
  3. Step 3: Cross multiply
    729,623.20x = 1,094,434.80 × 414,695.20
  4. Step 4: Simplify right side
    729,623.20x = 453,856,858,272.96
  5. Step 5: Solve for x
    x = 453,856,858,272.96/729,623.20
  6. Step 6: Final answer
    x = 622,042.80

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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.