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Finding the Fourth Proportional to 662,714.80, 914,539.62 and 360,908.80

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Solution

The fourth proportional to 662,714.80, 914,539.62 and 360,908.80 is: 498,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,714.80 : 914,539.62 = 360,908.80 : x
  2. Step 2: Convert to fraction form
    662,714.80/914,539.62 = 360,908.80/x
  3. Step 3: Cross multiply
    662,714.80x = 914,539.62 × 360,908.80
  4. Step 4: Simplify right side
    662,714.80x = 330,065,396,806.66
  5. Step 5: Solve for x
    x = 330,065,396,806.66/662,714.80
  6. Step 6: Final answer
    x = 498,050.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.