Home / 813,342.24-1,219,667.76-333,239.52

Finding the Fourth Proportional to 813,342.24, 1,219,667.76 and 333,239.52

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Solution

The fourth proportional to 813,342.24, 1,219,667.76 and 333,239.52 is: 499,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,342.24 : 1,219,667.76 = 333,239.52 : x
  2. Step 2: Convert to fraction form
    813,342.24/1,219,667.76 = 333,239.52/x
  3. Step 3: Cross multiply
    813,342.24x = 1,219,667.76 × 333,239.52
  4. Step 4: Simplify right side
    813,342.24x = 406,441,498,901.88
  5. Step 5: Solve for x
    x = 406,441,498,901.88/813,342.24
  6. Step 6: Final answer
    x = 499,717.68

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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.