Home / 749,467.24-1,034,289.42-409,935.48

Finding the Fourth Proportional to 749,467.24, 1,034,289.42 and 409,935.48

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Solution

The fourth proportional to 749,467.24, 1,034,289.42 and 409,935.48 is: 565,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,467.24 : 1,034,289.42 = 409,935.48 : x
  2. Step 2: Convert to fraction form
    749,467.24/1,034,289.42 = 409,935.48/x
  3. Step 3: Cross multiply
    749,467.24x = 1,034,289.42 × 409,935.48
  4. Step 4: Simplify right side
    749,467.24x = 423,991,929,846.62
  5. Step 5: Solve for x
    x = 423,991,929,846.62/749,467.24
  6. Step 6: Final answer
    x = 565,724.43

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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.