Home / 827,940.69-1,239,435.68-507,082.28

Finding the Fourth Proportional to 827,940.69, 1,239,435.68 and 507,082.28

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Solution

The fourth proportional to 827,940.69, 1,239,435.68 and 507,082.28 is: 759,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,940.69 : 1,239,435.68 = 507,082.28 : x
  2. Step 2: Convert to fraction form
    827,940.69/1,239,435.68 = 507,082.28/x
  3. Step 3: Cross multiply
    827,940.69x = 1,239,435.68 × 507,082.28
  4. Step 4: Simplify right side
    827,940.69x = 628,495,861,795.16
  5. Step 5: Solve for x
    x = 628,495,861,795.16/827,940.69
  6. Step 6: Final answer
    x = 759,107.35

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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.