Home / 864,076.30-1,192,234.50-501,290.08

Finding the Fourth Proportional to 864,076.30, 1,192,234.50 and 501,290.08

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Solution

The fourth proportional to 864,076.30, 1,192,234.50 and 501,290.08 is: 691,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,076.30 : 1,192,234.50 = 501,290.08 : x
  2. Step 2: Convert to fraction form
    864,076.30/1,192,234.50 = 501,290.08/x
  3. Step 3: Cross multiply
    864,076.30x = 1,192,234.50 × 501,290.08
  4. Step 4: Simplify right side
    864,076.30x = 597,655,327,883.76
  5. Step 5: Solve for x
    x = 597,655,327,883.76/864,076.30
  6. Step 6: Final answer
    x = 691,669.62

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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.