Home / 852,068.68-1,276,789.18-419,289.32

Finding the Fourth Proportional to 852,068.68, 1,276,789.18 and 419,289.32

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Solution

The fourth proportional to 852,068.68, 1,276,789.18 and 419,289.32 is: 628,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,068.68 : 1,276,789.18 = 419,289.32 : x
  2. Step 2: Convert to fraction form
    852,068.68/1,276,789.18 = 419,289.32/x
  3. Step 3: Cross multiply
    852,068.68x = 1,276,789.18 × 419,289.32
  4. Step 4: Simplify right side
    852,068.68x = 535,344,067,065.56
  5. Step 5: Solve for x
    x = 535,344,067,065.56/852,068.68
  6. Step 6: Final answer
    x = 628,287.46

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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.