Home / 681,282.72-1,021,924.08-260,687.52

Finding the Fourth Proportional to 681,282.72, 1,021,924.08 and 260,687.52

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Solution

The fourth proportional to 681,282.72, 1,021,924.08 and 260,687.52 is: 391,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,282.72 : 1,021,924.08 = 260,687.52 : x
  2. Step 2: Convert to fraction form
    681,282.72/1,021,924.08 = 260,687.52/x
  3. Step 3: Cross multiply
    681,282.72x = 1,021,924.08 × 260,687.52
  4. Step 4: Simplify right side
    681,282.72x = 266,402,854,043.48
  5. Step 5: Solve for x
    x = 266,402,854,043.48/681,282.72
  6. Step 6: Final answer
    x = 391,031.28

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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.