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Finding the Fourth Proportional to 384,163.20, 574,932.60 and 352,670.40

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Solution

The fourth proportional to 384,163.20, 574,932.60 and 352,670.40 is: 527,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,163.20 : 574,932.60 = 352,670.40 : x
  2. Step 2: Convert to fraction form
    384,163.20/574,932.60 = 352,670.40/x
  3. Step 3: Cross multiply
    384,163.20x = 574,932.60 × 352,670.40
  4. Step 4: Simplify right side
    384,163.20x = 202,761,710,015.04
  5. Step 5: Solve for x
    x = 202,761,710,015.04/384,163.20
  6. Step 6: Final answer
    x = 527,800.97

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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.