Home / 756,378.35-1,043,828.62-412,242.97

Finding the Fourth Proportional to 756,378.35, 1,043,828.62 and 412,242.97

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Solution

The fourth proportional to 756,378.35, 1,043,828.62 and 412,242.97 is: 568,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,378.35 : 1,043,828.62 = 412,242.97 : x
  2. Step 2: Convert to fraction form
    756,378.35/1,043,828.62 = 412,242.97/x
  3. Step 3: Cross multiply
    756,378.35x = 1,043,828.62 × 412,242.97
  4. Step 4: Simplify right side
    756,378.35x = 430,311,011,115.67
  5. Step 5: Solve for x
    x = 430,311,011,115.67/756,378.35
  6. Step 6: Final answer
    x = 568,909.74

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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.