Home / 686,491.75-1,029,691.44-237,218.77

Finding the Fourth Proportional to 686,491.75, 1,029,691.44 and 237,218.77

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Solution

The fourth proportional to 686,491.75, 1,029,691.44 and 237,218.77 is: 355,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,491.75 : 1,029,691.44 = 237,218.77 : x
  2. Step 2: Convert to fraction form
    686,491.75/1,029,691.44 = 237,218.77/x
  3. Step 3: Cross multiply
    686,491.75x = 1,029,691.44 × 237,218.77
  4. Step 4: Simplify right side
    686,491.75x = 244,262,131,727.87
  5. Step 5: Solve for x
    x = 244,262,131,727.87/686,491.75
  6. Step 6: Final answer
    x = 355,812.19

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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.