Home / 815,334.30-1,125,171.54-452,780.73

Finding the Fourth Proportional to 815,334.30, 1,125,171.54 and 452,780.73

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Solution

The fourth proportional to 815,334.30, 1,125,171.54 and 452,780.73 is: 624,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,334.30 : 1,125,171.54 = 452,780.73 : x
  2. Step 2: Convert to fraction form
    815,334.30/1,125,171.54 = 452,780.73/x
  3. Step 3: Cross multiply
    815,334.30x = 1,125,171.54 × 452,780.73
  4. Step 4: Simplify right side
    815,334.30x = 509,455,991,256.42
  5. Step 5: Solve for x
    x = 509,455,991,256.42/815,334.30
  6. Step 6: Final answer
    x = 624,843.08

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Double scale
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1.5x scale

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.