Home / 886,281.08-1,329,142.76-287,103.22

Finding the Fourth Proportional to 886,281.08, 1,329,142.76 and 287,103.22

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Solution

The fourth proportional to 886,281.08, 1,329,142.76 and 287,103.22 is: 430,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,281.08 : 1,329,142.76 = 287,103.22 : x
  2. Step 2: Convert to fraction form
    886,281.08/1,329,142.76 = 287,103.22/x
  3. Step 3: Cross multiply
    886,281.08x = 1,329,142.76 × 287,103.22
  4. Step 4: Simplify right side
    886,281.08x = 381,601,164,168.91
  5. Step 5: Solve for x
    x = 381,601,164,168.91/886,281.08
  6. Step 6: Final answer
    x = 430,564.50

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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.