Home / 389,346.24-536,811-324,908.32

Finding the Fourth Proportional to 389,346.24, 536,811 and 324,908.32

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Solution

The fourth proportional to 389,346.24, 536,811 and 324,908.32 is: 447,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,346.24 : 536,811 = 324,908.32 : x
  2. Step 2: Convert to fraction form
    389,346.24/536,811 = 324,908.32/x
  3. Step 3: Cross multiply
    389,346.24x = 536,811 × 324,908.32
  4. Step 4: Simplify right side
    389,346.24x = 174,414,360,167.52
  5. Step 5: Solve for x
    x = 174,414,360,167.52/389,346.24
  6. Step 6: Final answer
    x = 447,967.24

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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.