Home / 815,460.72-1,125,297.48-452,907.96

Finding the Fourth Proportional to 815,460.72, 1,125,297.48 and 452,907.96

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Solution

The fourth proportional to 815,460.72, 1,125,297.48 and 452,907.96 is: 624,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,460.72 : 1,125,297.48 = 452,907.96 : x
  2. Step 2: Convert to fraction form
    815,460.72/1,125,297.48 = 452,907.96/x
  3. Step 3: Cross multiply
    815,460.72x = 1,125,297.48 × 452,907.96
  4. Step 4: Simplify right side
    815,460.72x = 509,656,186,059.94
  5. Step 5: Solve for x
    x = 509,656,186,059.94/815,460.72
  6. Step 6: Final answer
    x = 624,991.71

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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.