Home / 701,359.40-1,051,650.30-280,159.40

Finding the Fourth Proportional to 701,359.40, 1,051,650.30 and 280,159.40

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Solution

The fourth proportional to 701,359.40, 1,051,650.30 and 280,159.40 is: 420,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,359.40 : 1,051,650.30 = 280,159.40 : x
  2. Step 2: Convert to fraction form
    701,359.40/1,051,650.30 = 280,159.40/x
  3. Step 3: Cross multiply
    701,359.40x = 1,051,650.30 × 280,159.40
  4. Step 4: Simplify right side
    701,359.40x = 294,629,717,057.82
  5. Step 5: Solve for x
    x = 294,629,717,057.82/701,359.40
  6. Step 6: Final answer
    x = 420,083.79

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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.