Home / 823,530.30-1,234,311.30-423,965.40

Finding the Fourth Proportional to 823,530.30, 1,234,311.30 and 423,965.40

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Solution

The fourth proportional to 823,530.30, 1,234,311.30 and 423,965.40 is: 635,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,530.30 : 1,234,311.30 = 423,965.40 : x
  2. Step 2: Convert to fraction form
    823,530.30/1,234,311.30 = 423,965.40/x
  3. Step 3: Cross multiply
    823,530.30x = 1,234,311.30 × 423,965.40
  4. Step 4: Simplify right side
    823,530.30x = 523,305,284,029.02
  5. Step 5: Solve for x
    x = 523,305,284,029.02/823,530.30
  6. Step 6: Final answer
    x = 635,441.45

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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.