Home / 550,847.23-760,174.83-305,836

Finding the Fourth Proportional to 550,847.23, 760,174.83 and 305,836

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Solution

The fourth proportional to 550,847.23, 760,174.83 and 305,836 is: 422,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,847.23 : 760,174.83 = 305,836 : x
  2. Step 2: Convert to fraction form
    550,847.23/760,174.83 = 305,836/x
  3. Step 3: Cross multiply
    550,847.23x = 760,174.83 × 305,836
  4. Step 4: Simplify right side
    550,847.23x = 232,488,829,307.88
  5. Step 5: Solve for x
    x = 232,488,829,307.88/550,847.23
  6. Step 6: Final answer
    x = 422,056.82

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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.