Home / 761,716.68-1,142,734.86-229,276.68

Finding the Fourth Proportional to 761,716.68, 1,142,734.86 and 229,276.68

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Solution

The fourth proportional to 761,716.68, 1,142,734.86 and 229,276.68 is: 343,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,716.68 : 1,142,734.86 = 229,276.68 : x
  2. Step 2: Convert to fraction form
    761,716.68/1,142,734.86 = 229,276.68/x
  3. Step 3: Cross multiply
    761,716.68x = 1,142,734.86 × 229,276.68
  4. Step 4: Simplify right side
    761,716.68x = 262,002,454,821.07
  5. Step 5: Solve for x
    x = 262,002,454,821.07/761,716.68
  6. Step 6: Final answer
    x = 343,963.13

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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.