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Finding the Fourth Proportional to 537,509.40, 741,793.60 and 308,104.86

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Solution

The fourth proportional to 537,509.40, 741,793.60 and 308,104.86 is: 425,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,509.40 : 741,793.60 = 308,104.86 : x
  2. Step 2: Convert to fraction form
    537,509.40/741,793.60 = 308,104.86/x
  3. Step 3: Cross multiply
    537,509.40x = 741,793.60 × 308,104.86
  4. Step 4: Simplify right side
    537,509.40x = 228,550,213,276.90
  5. Step 5: Solve for x
    x = 228,550,213,276.90/537,509.40
  6. Step 6: Final answer
    x = 425,202.26

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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.