Home / 815,245.18-1,125,016.72-452,659.73

Finding the Fourth Proportional to 815,245.18, 1,125,016.72 and 452,659.73

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Solution

The fourth proportional to 815,245.18, 1,125,016.72 and 452,659.73 is: 624,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,245.18 : 1,125,016.72 = 452,659.73 : x
  2. Step 2: Convert to fraction form
    815,245.18/1,125,016.72 = 452,659.73/x
  3. Step 3: Cross multiply
    815,245.18x = 1,125,016.72 × 452,659.73
  4. Step 4: Simplify right side
    815,245.18x = 509,249,757,963.95
  5. Step 5: Solve for x
    x = 509,249,757,963.95/815,245.18
  6. Step 6: Final answer
    x = 624,658.41

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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.