Home / 814,006.68-1,221,248.74-364,627.58

Finding the Fourth Proportional to 814,006.68, 1,221,248.74 and 364,627.58

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Solution

The fourth proportional to 814,006.68, 1,221,248.74 and 364,627.58 is: 547,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,006.68 : 1,221,248.74 = 364,627.58 : x
  2. Step 2: Convert to fraction form
    814,006.68/1,221,248.74 = 364,627.58/x
  3. Step 3: Cross multiply
    814,006.68x = 1,221,248.74 × 364,627.58
  4. Step 4: Simplify right side
    814,006.68x = 445,300,972,644.25
  5. Step 5: Solve for x
    x = 445,300,972,644.25/814,006.68
  6. Step 6: Final answer
    x = 547,048.30

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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.