Home / 347,289.20-522,047.40-322,636.40

Finding the Fourth Proportional to 347,289.20, 522,047.40 and 322,636.40

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Solution

The fourth proportional to 347,289.20, 522,047.40 and 322,636.40 is: 484,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,289.20 : 522,047.40 = 322,636.40 : x
  2. Step 2: Convert to fraction form
    347,289.20/522,047.40 = 322,636.40/x
  3. Step 3: Cross multiply
    347,289.20x = 522,047.40 × 322,636.40
  4. Step 4: Simplify right side
    347,289.20x = 168,431,493,765.36
  5. Step 5: Solve for x
    x = 168,431,493,765.36/347,289.20
  6. Step 6: Final answer
    x = 484,989.15

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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.