Home / 756,243.75-1,043,638.34-416,733.87

Finding the Fourth Proportional to 756,243.75, 1,043,638.34 and 416,733.87

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Solution

The fourth proportional to 756,243.75, 1,043,638.34 and 416,733.87 is: 575,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,243.75 : 1,043,638.34 = 416,733.87 : x
  2. Step 2: Convert to fraction form
    756,243.75/1,043,638.34 = 416,733.87/x
  3. Step 3: Cross multiply
    756,243.75x = 1,043,638.34 × 416,733.87
  4. Step 4: Simplify right side
    756,243.75x = 434,919,442,224.91
  5. Step 5: Solve for x
    x = 434,919,442,224.91/756,243.75
  6. Step 6: Final answer
    x = 575,104.84

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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.