Home / 756,445.82-1,043,881.56-412,284.92

Finding the Fourth Proportional to 756,445.82, 1,043,881.56 and 412,284.92

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Solution

The fourth proportional to 756,445.82, 1,043,881.56 and 412,284.92 is: 568,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,445.82 : 1,043,881.56 = 412,284.92 : x
  2. Step 2: Convert to fraction form
    756,445.82/1,043,881.56 = 412,284.92/x
  3. Step 3: Cross multiply
    756,445.82x = 1,043,881.56 × 412,284.92
  4. Step 4: Simplify right side
    756,445.82x = 430,376,620,234.67
  5. Step 5: Solve for x
    x = 430,376,620,234.67/756,445.82
  6. Step 6: Final answer
    x = 568,945.74

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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.