Home / 515,323.88-772,623.70-226,998.72

Finding the Fourth Proportional to 515,323.88, 772,623.70 and 226,998.72

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Solution

The fourth proportional to 515,323.88, 772,623.70 and 226,998.72 is: 340,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,323.88 : 772,623.70 = 226,998.72 : x
  2. Step 2: Convert to fraction form
    515,323.88/772,623.70 = 226,998.72/x
  3. Step 3: Cross multiply
    515,323.88x = 772,623.70 × 226,998.72
  4. Step 4: Simplify right side
    515,323.88x = 175,384,590,941.66
  5. Step 5: Solve for x
    x = 175,384,590,941.66/515,323.88
  6. Step 6: Final answer
    x = 340,338.57

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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.