Home / 694,453.68-1,041,780.34-214,718.89

Finding the Fourth Proportional to 694,453.68, 1,041,780.34 and 214,718.89

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Solution

The fourth proportional to 694,453.68, 1,041,780.34 and 214,718.89 is: 322,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,453.68 : 1,041,780.34 = 214,718.89 : x
  2. Step 2: Convert to fraction form
    694,453.68/1,041,780.34 = 214,718.89/x
  3. Step 3: Cross multiply
    694,453.68x = 1,041,780.34 × 214,718.89
  4. Step 4: Simplify right side
    694,453.68x = 223,689,918,228.62
  5. Step 5: Solve for x
    x = 223,689,918,228.62/694,453.68
  6. Step 6: Final answer
    x = 322,109.20

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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.