Home / 892,420.71-1,339,162.92-323,846.17

Finding the Fourth Proportional to 892,420.71, 1,339,162.92 and 323,846.17

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Solution

The fourth proportional to 892,420.71, 1,339,162.92 and 323,846.17 is: 485,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,420.71 : 1,339,162.92 = 323,846.17 : x
  2. Step 2: Convert to fraction form
    892,420.71/1,339,162.92 = 323,846.17/x
  3. Step 3: Cross multiply
    892,420.71x = 1,339,162.92 × 323,846.17
  4. Step 4: Simplify right side
    892,420.71x = 433,682,779,300.11
  5. Step 5: Solve for x
    x = 433,682,779,300.11/892,420.71
  6. Step 6: Final answer
    x = 485,962.26

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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.