Home / 913,747.92-1,260,912.06-505,821.39

Finding the Fourth Proportional to 913,747.92, 1,260,912.06 and 505,821.39

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Solution

The fourth proportional to 913,747.92, 1,260,912.06 and 505,821.39 is: 698,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,747.92 : 1,260,912.06 = 505,821.39 : x
  2. Step 2: Convert to fraction form
    913,747.92/1,260,912.06 = 505,821.39/x
  3. Step 3: Cross multiply
    913,747.92x = 1,260,912.06 × 505,821.39
  4. Step 4: Simplify right side
    913,747.92x = 637,796,290,856.96
  5. Step 5: Solve for x
    x = 637,796,290,856.96/913,747.92
  6. Step 6: Final answer
    x = 698,000.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.