Home / 801,090.08-1,105,495.52-456,917.12

Finding the Fourth Proportional to 801,090.08, 1,105,495.52 and 456,917.12

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Solution

The fourth proportional to 801,090.08, 1,105,495.52 and 456,917.12 is: 630,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,090.08 : 1,105,495.52 = 456,917.12 : x
  2. Step 2: Convert to fraction form
    801,090.08/1,105,495.52 = 456,917.12/x
  3. Step 3: Cross multiply
    801,090.08x = 1,105,495.52 × 456,917.12
  4. Step 4: Simplify right side
    801,090.08x = 505,119,829,171.30
  5. Step 5: Solve for x
    x = 505,119,829,171.30/801,090.08
  6. Step 6: Final answer
    x = 630,540.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.