Home / 815,451.60-1,125,360.54-452,876.88

Finding the Fourth Proportional to 815,451.60, 1,125,360.54 and 452,876.88

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Solution

The fourth proportional to 815,451.60, 1,125,360.54 and 452,876.88 is: 624,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,451.60 : 1,125,360.54 = 452,876.88 : x
  2. Step 2: Convert to fraction form
    815,451.60/1,125,360.54 = 452,876.88/x
  3. Step 3: Cross multiply
    815,451.60x = 1,125,360.54 × 452,876.88
  4. Step 4: Simplify right side
    815,451.60x = 509,649,770,230.32
  5. Step 5: Solve for x
    x = 509,649,770,230.32/815,451.60
  6. Step 6: Final answer
    x = 624,990.83

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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.