Home / 488,857.20-733,285.80-410,125.20

Finding the Fourth Proportional to 488,857.20, 733,285.80 and 410,125.20

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Solution

The fourth proportional to 488,857.20, 733,285.80 and 410,125.20 is: 615,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,857.20 : 733,285.80 = 410,125.20 : x
  2. Step 2: Convert to fraction form
    488,857.20/733,285.80 = 410,125.20/x
  3. Step 3: Cross multiply
    488,857.20x = 733,285.80 × 410,125.20
  4. Step 4: Simplify right side
    488,857.20x = 300,738,985,382.16
  5. Step 5: Solve for x
    x = 300,738,985,382.16/488,857.20
  6. Step 6: Final answer
    x = 615,187.80

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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.