Home / 721,254.40-1,081,798.08-188,826.64

Finding the Fourth Proportional to 721,254.40, 1,081,798.08 and 188,826.64

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Solution

The fourth proportional to 721,254.40, 1,081,798.08 and 188,826.64 is: 283,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,254.40 : 1,081,798.08 = 188,826.64 : x
  2. Step 2: Convert to fraction form
    721,254.40/1,081,798.08 = 188,826.64/x
  3. Step 3: Cross multiply
    721,254.40x = 1,081,798.08 × 188,826.64
  4. Step 4: Simplify right side
    721,254.40x = 204,272,296,604.85
  5. Step 5: Solve for x
    x = 204,272,296,604.85/721,254.40
  6. Step 6: Final answer
    x = 283,218.09

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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.