Home / 856,371.39-1,284,154.80-496,644.49

Finding the Fourth Proportional to 856,371.39, 1,284,154.80 and 496,644.49

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Solution

The fourth proportional to 856,371.39, 1,284,154.80 and 496,644.49 is: 744,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,371.39 : 1,284,154.80 = 496,644.49 : x
  2. Step 2: Convert to fraction form
    856,371.39/1,284,154.80 = 496,644.49/x
  3. Step 3: Cross multiply
    856,371.39x = 1,284,154.80 × 496,644.49
  4. Step 4: Simplify right side
    856,371.39x = 637,768,405,727.05
  5. Step 5: Solve for x
    x = 637,768,405,727.05/856,371.39
  6. Step 6: Final answer
    x = 744,733.43

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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.