Home / 812,840.58-1,219,316.76-244,197.90

Finding the Fourth Proportional to 812,840.58, 1,219,316.76 and 244,197.90

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Solution

The fourth proportional to 812,840.58, 1,219,316.76 and 244,197.90 is: 366,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,840.58 : 1,219,316.76 = 244,197.90 : x
  2. Step 2: Convert to fraction form
    812,840.58/1,219,316.76 = 244,197.90/x
  3. Step 3: Cross multiply
    812,840.58x = 1,219,316.76 × 244,197.90
  4. Step 4: Simplify right side
    812,840.58x = 297,754,592,226.80
  5. Step 5: Solve for x
    x = 297,754,592,226.80/812,840.58
  6. Step 6: Final answer
    x = 366,313.64

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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.