Home / 915,782.27-1,263,857.16-508,015.50

Finding the Fourth Proportional to 915,782.27, 1,263,857.16 and 508,015.50

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Solution

The fourth proportional to 915,782.27, 1,263,857.16 and 508,015.50 is: 701,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,782.27 : 1,263,857.16 = 508,015.50 : x
  2. Step 2: Convert to fraction form
    915,782.27/1,263,857.16 = 508,015.50/x
  3. Step 3: Cross multiply
    915,782.27x = 1,263,857.16 × 508,015.50
  4. Step 4: Simplify right side
    915,782.27x = 642,059,023,517.20
  5. Step 5: Solve for x
    x = 642,059,023,517.20/915,782.27
  6. Step 6: Final answer
    x = 701,104.45

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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.