Home / 437,922.72-604,447.20-285,379.20

Finding the Fourth Proportional to 437,922.72, 604,447.20 and 285,379.20

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Solution

The fourth proportional to 437,922.72, 604,447.20 and 285,379.20 is: 393,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,922.72 : 604,447.20 = 285,379.20 : x
  2. Step 2: Convert to fraction form
    437,922.72/604,447.20 = 285,379.20/x
  3. Step 3: Cross multiply
    437,922.72x = 604,447.20 × 285,379.20
  4. Step 4: Simplify right side
    437,922.72x = 172,496,658,378.24
  5. Step 5: Solve for x
    x = 172,496,658,378.24/437,922.72
  6. Step 6: Final answer
    x = 393,897.49

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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.