Home / 812,227.02-1,120,990.59-467,997.03

Finding the Fourth Proportional to 812,227.02, 1,120,990.59 and 467,997.03

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Solution

The fourth proportional to 812,227.02, 1,120,990.59 and 467,997.03 is: 645,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,227.02 : 1,120,990.59 = 467,997.03 : x
  2. Step 2: Convert to fraction form
    812,227.02/1,120,990.59 = 467,997.03/x
  3. Step 3: Cross multiply
    812,227.02x = 1,120,990.59 × 467,997.03
  4. Step 4: Simplify right side
    812,227.02x = 524,620,266,777.95
  5. Step 5: Solve for x
    x = 524,620,266,777.95/812,227.02
  6. Step 6: Final answer
    x = 645,903.49

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Double scale
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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.