Home / 728,975.92-1,093,951.95-302,512.16

Finding the Fourth Proportional to 728,975.92, 1,093,951.95 and 302,512.16

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Solution

The fourth proportional to 728,975.92, 1,093,951.95 and 302,512.16 is: 453,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,975.92 : 1,093,951.95 = 302,512.16 : x
  2. Step 2: Convert to fraction form
    728,975.92/1,093,951.95 = 302,512.16/x
  3. Step 3: Cross multiply
    728,975.92x = 1,093,951.95 × 302,512.16
  4. Step 4: Simplify right side
    728,975.92x = 330,933,764,595.83
  5. Step 5: Solve for x
    x = 330,933,764,595.83/728,975.92
  6. Step 6: Final answer
    x = 453,970.78

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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.