Home / 823,213.02-1,234,819.47-542,664.66

Finding the Fourth Proportional to 823,213.02, 1,234,819.47 and 542,664.66

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Solution

The fourth proportional to 823,213.02, 1,234,819.47 and 542,664.66 is: 813,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,213.02 : 1,234,819.47 = 542,664.66 : x
  2. Step 2: Convert to fraction form
    823,213.02/1,234,819.47 = 542,664.66/x
  3. Step 3: Cross multiply
    823,213.02x = 1,234,819.47 × 542,664.66
  4. Step 4: Simplify right side
    823,213.02x = 670,092,887,848.93
  5. Step 5: Solve for x
    x = 670,092,887,848.93/823,213.02
  6. Step 6: Final answer
    x = 813,996.95

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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.