Home / 751,526.20-1,037,145.90-412,008.76

Finding the Fourth Proportional to 751,526.20, 1,037,145.90 and 412,008.76

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Solution

The fourth proportional to 751,526.20, 1,037,145.90 and 412,008.76 is: 568,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,526.20 : 1,037,145.90 = 412,008.76 : x
  2. Step 2: Convert to fraction form
    751,526.20/1,037,145.90 = 412,008.76/x
  3. Step 3: Cross multiply
    751,526.20x = 1,037,145.90 × 412,008.76
  4. Step 4: Simplify right side
    751,526.20x = 427,313,196,198.08
  5. Step 5: Solve for x
    x = 427,313,196,198.08/751,526.20
  6. Step 6: Final answer
    x = 568,593.88

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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.