Home / 815,297-1,125,072.10-452,743.84

Finding the Fourth Proportional to 815,297, 1,125,072.10 and 452,743.84

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Solution

The fourth proportional to 815,297, 1,125,072.10 and 452,743.84 is: 624,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,297 : 1,125,072.10 = 452,743.84 : x
  2. Step 2: Convert to fraction form
    815,297/1,125,072.10 = 452,743.84/x
  3. Step 3: Cross multiply
    815,297x = 1,125,072.10 × 452,743.84
  4. Step 4: Simplify right side
    815,297x = 509,369,462,830.86
  5. Step 5: Solve for x
    x = 509,369,462,830.86/815,297
  6. Step 6: Final answer
    x = 624,765.53

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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.