Home / 850,890.62-1,276,387.88-274,572.38

Finding the Fourth Proportional to 850,890.62, 1,276,387.88 and 274,572.38

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Solution

The fourth proportional to 850,890.62, 1,276,387.88 and 274,572.38 is: 411,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,890.62 : 1,276,387.88 = 274,572.38 : x
  2. Step 2: Convert to fraction form
    850,890.62/1,276,387.88 = 274,572.38/x
  3. Step 3: Cross multiply
    850,890.62x = 1,276,387.88 × 274,572.38
  4. Step 4: Simplify right side
    850,890.62x = 350,460,859,832.86
  5. Step 5: Solve for x
    x = 350,460,859,832.86/850,890.62
  6. Step 6: Final answer
    x = 411,875.33

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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.