Home / 800,638.86-1,200,769.64-294,925.22

Finding the Fourth Proportional to 800,638.86, 1,200,769.64 and 294,925.22

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Solution

The fourth proportional to 800,638.86, 1,200,769.64 and 294,925.22 is: 442,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,638.86 : 1,200,769.64 = 294,925.22 : x
  2. Step 2: Convert to fraction form
    800,638.86/1,200,769.64 = 294,925.22/x
  3. Step 3: Cross multiply
    800,638.86x = 1,200,769.64 × 294,925.22
  4. Step 4: Simplify right side
    800,638.86x = 354,137,250,246.32
  5. Step 5: Solve for x
    x = 354,137,250,246.32/800,638.86
  6. Step 6: Final answer
    x = 442,318.34

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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.