Home / 758,353.92-1,046,593.50-418,887.78

Finding the Fourth Proportional to 758,353.92, 1,046,593.50 and 418,887.78

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Solution

The fourth proportional to 758,353.92, 1,046,593.50 and 418,887.78 is: 578,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,353.92 : 1,046,593.50 = 418,887.78 : x
  2. Step 2: Convert to fraction form
    758,353.92/1,046,593.50 = 418,887.78/x
  3. Step 3: Cross multiply
    758,353.92x = 1,046,593.50 × 418,887.78
  4. Step 4: Simplify right side
    758,353.92x = 438,405,227,777.43
  5. Step 5: Solve for x
    x = 438,405,227,777.43/758,353.92
  6. Step 6: Final answer
    x = 578,101.09

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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.