Home / 865,281.92-1,296,499.52-296,349.28

Finding the Fourth Proportional to 865,281.92, 1,296,499.52 and 296,349.28

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Solution

The fourth proportional to 865,281.92, 1,296,499.52 and 296,349.28 is: 444,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,281.92 : 1,296,499.52 = 296,349.28 : x
  2. Step 2: Convert to fraction form
    865,281.92/1,296,499.52 = 296,349.28/x
  3. Step 3: Cross multiply
    865,281.92x = 1,296,499.52 × 296,349.28
  4. Step 4: Simplify right side
    865,281.92x = 384,216,699,272.35
  5. Step 5: Solve for x
    x = 384,216,699,272.35/865,281.92
  6. Step 6: Final answer
    x = 444,036.44

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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.