Home / 691,897.44-1,037,971.62-312,996.66

Finding the Fourth Proportional to 691,897.44, 1,037,971.62 and 312,996.66

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Solution

The fourth proportional to 691,897.44, 1,037,971.62 and 312,996.66 is: 469,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,897.44 : 1,037,971.62 = 312,996.66 : x
  2. Step 2: Convert to fraction form
    691,897.44/1,037,971.62 = 312,996.66/x
  3. Step 3: Cross multiply
    691,897.44x = 1,037,971.62 × 312,996.66
  4. Step 4: Simplify right side
    691,897.44x = 324,881,650,234.79
  5. Step 5: Solve for x
    x = 324,881,650,234.79/691,897.44
  6. Step 6: Final answer
    x = 469,551.74

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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.