Home / 910,697.85-1,366,027.69-303,530.11

Finding the Fourth Proportional to 910,697.85, 1,366,027.69 and 303,530.11

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Solution

The fourth proportional to 910,697.85, 1,366,027.69 and 303,530.11 is: 455,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,697.85 : 1,366,027.69 = 303,530.11 : x
  2. Step 2: Convert to fraction form
    910,697.85/1,366,027.69 = 303,530.11/x
  3. Step 3: Cross multiply
    910,697.85x = 1,366,027.69 × 303,530.11
  4. Step 4: Simplify right side
    910,697.85x = 414,630,535,245.92
  5. Step 5: Solve for x
    x = 414,630,535,245.92/910,697.85
  6. Step 6: Final answer
    x = 455,288.81

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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.