Home / 683,912.99-1,025,656.25-257,508.13

Finding the Fourth Proportional to 683,912.99, 1,025,656.25 and 257,508.13

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Solution

The fourth proportional to 683,912.99, 1,025,656.25 and 257,508.13 is: 386,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,912.99 : 1,025,656.25 = 257,508.13 : x
  2. Step 2: Convert to fraction form
    683,912.99/1,025,656.25 = 257,508.13/x
  3. Step 3: Cross multiply
    683,912.99x = 1,025,656.25 × 257,508.13
  4. Step 4: Simplify right side
    683,912.99x = 264,114,822,960.31
  5. Step 5: Solve for x
    x = 264,114,822,960.31/683,912.99
  6. Step 6: Final answer
    x = 386,181.91

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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.