Home / 812,195.58-1,218,500.73-243,574.50

Finding the Fourth Proportional to 812,195.58, 1,218,500.73 and 243,574.50

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Solution

The fourth proportional to 812,195.58, 1,218,500.73 and 243,574.50 is: 365,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,195.58 : 1,218,500.73 = 243,574.50 : x
  2. Step 2: Convert to fraction form
    812,195.58/1,218,500.73 = 243,574.50/x
  3. Step 3: Cross multiply
    812,195.58x = 1,218,500.73 × 243,574.50
  4. Step 4: Simplify right side
    812,195.58x = 296,795,706,059.39
  5. Step 5: Solve for x
    x = 296,795,706,059.39/812,195.58
  6. Step 6: Final answer
    x = 365,423.94

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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.