Home / 398,723.22-597,407.78-240,619.46

Finding the Fourth Proportional to 398,723.22, 597,407.78 and 240,619.46

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Solution

The fourth proportional to 398,723.22, 597,407.78 and 240,619.46 is: 360,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,723.22 : 597,407.78 = 240,619.46 : x
  2. Step 2: Convert to fraction form
    398,723.22/597,407.78 = 240,619.46/x
  3. Step 3: Cross multiply
    398,723.22x = 597,407.78 × 240,619.46
  4. Step 4: Simplify right side
    398,723.22x = 143,747,937,423.40
  5. Step 5: Solve for x
    x = 143,747,937,423.40/398,723.22
  6. Step 6: Final answer
    x = 360,520.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.