Home / 761,804.26-1,143,080.83-306,377.32

Finding the Fourth Proportional to 761,804.26, 1,143,080.83 and 306,377.32

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Solution

The fourth proportional to 761,804.26, 1,143,080.83 and 306,377.32 is: 459,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,804.26 : 1,143,080.83 = 306,377.32 : x
  2. Step 2: Convert to fraction form
    761,804.26/1,143,080.83 = 306,377.32/x
  3. Step 3: Cross multiply
    761,804.26x = 1,143,080.83 × 306,377.32
  4. Step 4: Simplify right side
    761,804.26x = 350,214,039,338.50
  5. Step 5: Solve for x
    x = 350,214,039,338.50/761,804.26
  6. Step 6: Final answer
    x = 459,716.57

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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.