Home / 651,234.88-899,142.98-406,592.48

Finding the Fourth Proportional to 651,234.88, 899,142.98 and 406,592.48

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Solution

The fourth proportional to 651,234.88, 899,142.98 and 406,592.48 is: 561,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,234.88 : 899,142.98 = 406,592.48 : x
  2. Step 2: Convert to fraction form
    651,234.88/899,142.98 = 406,592.48/x
  3. Step 3: Cross multiply
    651,234.88x = 899,142.98 × 406,592.48
  4. Step 4: Simplify right side
    651,234.88x = 365,584,774,112.79
  5. Step 5: Solve for x
    x = 365,584,774,112.79/651,234.88
  6. Step 6: Final answer
    x = 561,371.61

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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.