Home / 832,362.05-1,149,435.83-612,644.40

Finding the Fourth Proportional to 832,362.05, 1,149,435.83 and 612,644.40

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Solution

The fourth proportional to 832,362.05, 1,149,435.83 and 612,644.40 is: 846,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,362.05 : 1,149,435.83 = 612,644.40 : x
  2. Step 2: Convert to fraction form
    832,362.05/1,149,435.83 = 612,644.40/x
  3. Step 3: Cross multiply
    832,362.05x = 1,149,435.83 × 612,644.40
  4. Step 4: Simplify right side
    832,362.05x = 704,195,424,408.85
  5. Step 5: Solve for x
    x = 704,195,424,408.85/832,362.05
  6. Step 6: Final answer
    x = 846,020.58

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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.