Home / 347,288.20-522,045.90-322,635.40

Finding the Fourth Proportional to 347,288.20, 522,045.90 and 322,635.40

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Solution

The fourth proportional to 347,288.20, 522,045.90 and 322,635.40 is: 484,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,288.20 : 522,045.90 = 322,635.40 : x
  2. Step 2: Convert to fraction form
    347,288.20/522,045.90 = 322,635.40/x
  3. Step 3: Cross multiply
    347,288.20x = 522,045.90 × 322,635.40
  4. Step 4: Simplify right side
    347,288.20x = 168,430,487,764.86
  5. Step 5: Solve for x
    x = 168,430,487,764.86/347,288.20
  6. Step 6: Final answer
    x = 484,987.65

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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.