Home / 756,346.88-1,043,758.86-412,182.90

Finding the Fourth Proportional to 756,346.88, 1,043,758.86 and 412,182.90

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Solution

The fourth proportional to 756,346.88, 1,043,758.86 and 412,182.90 is: 568,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,346.88 : 1,043,758.86 = 412,182.90 : x
  2. Step 2: Convert to fraction form
    756,346.88/1,043,758.86 = 412,182.90/x
  3. Step 3: Cross multiply
    756,346.88x = 1,043,758.86 × 412,182.90
  4. Step 4: Simplify right side
    756,346.88x = 430,219,553,815.49
  5. Step 5: Solve for x
    x = 430,219,553,815.49/756,346.88
  6. Step 6: Final answer
    x = 568,812.49

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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.