Home / 917,224.92-1,265,850.61-509,406.50

Finding the Fourth Proportional to 917,224.92, 1,265,850.61 and 509,406.50

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Solution

The fourth proportional to 917,224.92, 1,265,850.61 and 509,406.50 is: 703,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,224.92 : 1,265,850.61 = 509,406.50 : x
  2. Step 2: Convert to fraction form
    917,224.92/1,265,850.61 = 509,406.50/x
  3. Step 3: Cross multiply
    917,224.92x = 1,265,850.61 × 509,406.50
  4. Step 4: Simplify right side
    917,224.92x = 644,832,524,324.82
  5. Step 5: Solve for x
    x = 644,832,524,324.82/917,224.92
  6. Step 6: Final answer
    x = 703,025.52

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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.