Home / 574,919.75-792,964.23-421,906.25

Finding the Fourth Proportional to 574,919.75, 792,964.23 and 421,906.25

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Solution

The fourth proportional to 574,919.75, 792,964.23 and 421,906.25 is: 581,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,919.75 : 792,964.23 = 421,906.25 : x
  2. Step 2: Convert to fraction form
    574,919.75/792,964.23 = 421,906.25/x
  3. Step 3: Cross multiply
    574,919.75x = 792,964.23 × 421,906.25
  4. Step 4: Simplify right side
    574,919.75x = 334,556,564,663.44
  5. Step 5: Solve for x
    x = 334,556,564,663.44/574,919.75
  6. Step 6: Final answer
    x = 581,918.72

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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.