Home / 635,621.40-876,940.26-363,590.18

Finding the Fourth Proportional to 635,621.40, 876,940.26 and 363,590.18

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Solution

The fourth proportional to 635,621.40, 876,940.26 and 363,590.18 is: 501,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,621.40 : 876,940.26 = 363,590.18 : x
  2. Step 2: Convert to fraction form
    635,621.40/876,940.26 = 363,590.18/x
  3. Step 3: Cross multiply
    635,621.40x = 876,940.26 × 363,590.18
  4. Step 4: Simplify right side
    635,621.40x = 318,846,866,982.65
  5. Step 5: Solve for x
    x = 318,846,866,982.65/635,621.40
  6. Step 6: Final answer
    x = 501,630.16

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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.