Home / 691,221.10-1,036,676.05-247,989.10

Finding the Fourth Proportional to 691,221.10, 1,036,676.05 and 247,989.10

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Solution

The fourth proportional to 691,221.10, 1,036,676.05 and 247,989.10 is: 371,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,221.10 : 1,036,676.05 = 247,989.10 : x
  2. Step 2: Convert to fraction form
    691,221.10/1,036,676.05 = 247,989.10/x
  3. Step 3: Cross multiply
    691,221.10x = 1,036,676.05 × 247,989.10
  4. Step 4: Simplify right side
    691,221.10x = 257,084,360,631.06
  5. Step 5: Solve for x
    x = 257,084,360,631.06/691,221.10
  6. Step 6: Final answer
    x = 371,927.83

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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.