Home / 721,558.59-1,082,162.91-300,604.83

Finding the Fourth Proportional to 721,558.59, 1,082,162.91 and 300,604.83

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Solution

The fourth proportional to 721,558.59, 1,082,162.91 and 300,604.83 is: 450,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,558.59 : 1,082,162.91 = 300,604.83 : x
  2. Step 2: Convert to fraction form
    721,558.59/1,082,162.91 = 300,604.83/x
  3. Step 3: Cross multiply
    721,558.59x = 1,082,162.91 × 300,604.83
  4. Step 4: Simplify right side
    721,558.59x = 325,303,397,592.86
  5. Step 5: Solve for x
    x = 325,303,397,592.86/721,558.59
  6. Step 6: Final answer
    x = 450,834.35

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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.