Home / 820,253.24-1,132,027.62-497,889.44

Finding the Fourth Proportional to 820,253.24, 1,132,027.62 and 497,889.44

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Solution

The fourth proportional to 820,253.24, 1,132,027.62 and 497,889.44 is: 687,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,253.24 : 1,132,027.62 = 497,889.44 : x
  2. Step 2: Convert to fraction form
    820,253.24/1,132,027.62 = 497,889.44/x
  3. Step 3: Cross multiply
    820,253.24x = 1,132,027.62 × 497,889.44
  4. Step 4: Simplify right side
    820,253.24x = 563,624,597,786.33
  5. Step 5: Solve for x
    x = 563,624,597,786.33/820,253.24
  6. Step 6: Final answer
    x = 687,134.86

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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.