Home / 918,891.75-1,268,069.00-510,982.23

Finding the Fourth Proportional to 918,891.75, 1,268,069.00 and 510,982.23

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Solution

The fourth proportional to 918,891.75, 1,268,069.00 and 510,982.23 is: 705,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,891.75 : 1,268,069.00 = 510,982.23 : x
  2. Step 2: Convert to fraction form
    918,891.75/1,268,069.00 = 510,982.23/x
  3. Step 3: Cross multiply
    918,891.75x = 1,268,069.00 × 510,982.23
  4. Step 4: Simplify right side
    918,891.75x = 647,960,722,858.96
  5. Step 5: Solve for x
    x = 647,960,722,858.96/918,891.75
  6. Step 6: Final answer
    x = 705,154.58

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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.