Home / 815,319.60-1,125,103.50-452,766.66

Finding the Fourth Proportional to 815,319.60, 1,125,103.50 and 452,766.66

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Solution

The fourth proportional to 815,319.60, 1,125,103.50 and 452,766.66 is: 624,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,319.60 : 1,125,103.50 = 452,766.66 : x
  2. Step 2: Convert to fraction form
    815,319.60/1,125,103.50 = 452,766.66/x
  3. Step 3: Cross multiply
    815,319.60x = 1,125,103.50 × 452,766.66
  4. Step 4: Simplify right side
    815,319.60x = 509,409,353,849.31
  5. Step 5: Solve for x
    x = 509,409,353,849.31/815,319.60
  6. Step 6: Final answer
    x = 624,797.14

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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.