Home / 497,680.20-746,520.30-308,723.40

Finding the Fourth Proportional to 497,680.20, 746,520.30 and 308,723.40

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Solution

The fourth proportional to 497,680.20, 746,520.30 and 308,723.40 is: 463,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680.20 : 746,520.30 = 308,723.40 : x
  2. Step 2: Convert to fraction form
    497,680.20/746,520.30 = 308,723.40/x
  3. Step 3: Cross multiply
    497,680.20x = 746,520.30 × 308,723.40
  4. Step 4: Simplify right side
    497,680.20x = 230,468,285,185.02
  5. Step 5: Solve for x
    x = 230,468,285,185.02/497,680.20
  6. Step 6: Final answer
    x = 463,085.10

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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.