Home / 724,458.60-1,085,910.30-275,005.80

Finding the Fourth Proportional to 724,458.60, 1,085,910.30 and 275,005.80

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Solution

The fourth proportional to 724,458.60, 1,085,910.30 and 275,005.80 is: 412,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,458.60 : 1,085,910.30 = 275,005.80 : x
  2. Step 2: Convert to fraction form
    724,458.60/1,085,910.30 = 275,005.80/x
  3. Step 3: Cross multiply
    724,458.60x = 1,085,910.30 × 275,005.80
  4. Step 4: Simplify right side
    724,458.60x = 298,631,630,779.74
  5. Step 5: Solve for x
    x = 298,631,630,779.74/724,458.60
  6. Step 6: Final answer
    x = 412,213.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.