Home / 678,537.37-1,017,590.34-223,023.55

Finding the Fourth Proportional to 678,537.37, 1,017,590.34 and 223,023.55

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Solution

The fourth proportional to 678,537.37, 1,017,590.34 and 223,023.55 is: 334,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,537.37 : 1,017,590.34 = 223,023.55 : x
  2. Step 2: Convert to fraction form
    678,537.37/1,017,590.34 = 223,023.55/x
  3. Step 3: Cross multiply
    678,537.37x = 1,017,590.34 × 223,023.55
  4. Step 4: Simplify right side
    678,537.37x = 226,946,604,984.56
  5. Step 5: Solve for x
    x = 226,946,604,984.56/678,537.37
  6. Step 6: Final answer
    x = 334,464.42

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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.