Home / 790,442.86-1,090,958.92-450,911.11

Finding the Fourth Proportional to 790,442.86, 1,090,958.92 and 450,911.11

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Solution

The fourth proportional to 790,442.86, 1,090,958.92 and 450,911.11 is: 622,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,442.86 : 1,090,958.92 = 450,911.11 : x
  2. Step 2: Convert to fraction form
    790,442.86/1,090,958.92 = 450,911.11/x
  3. Step 3: Cross multiply
    790,442.86x = 1,090,958.92 × 450,911.11
  4. Step 4: Simplify right side
    790,442.86x = 491,925,498,308.85
  5. Step 5: Solve for x
    x = 491,925,498,308.85/790,442.86
  6. Step 6: Final answer
    x = 622,341.63

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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.