Home / 662,933.12-914,842.96-361,127.20

Finding the Fourth Proportional to 662,933.12, 914,842.96 and 361,127.20

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Solution

The fourth proportional to 662,933.12, 914,842.96 and 361,127.20 is: 498,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,933.12 : 914,842.96 = 361,127.20 : x
  2. Step 2: Convert to fraction form
    662,933.12/914,842.96 = 361,127.20/x
  3. Step 3: Cross multiply
    662,933.12x = 914,842.96 × 361,127.20
  4. Step 4: Simplify right side
    662,933.12x = 330,374,676,584.51
  5. Step 5: Solve for x
    x = 330,374,676,584.51/662,933.12
  6. Step 6: Final answer
    x = 498,352.95

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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.