Home / 915,853.57-1,263,953.43-508,086.66

Finding the Fourth Proportional to 915,853.57, 1,263,953.43 and 508,086.66

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Solution

The fourth proportional to 915,853.57, 1,263,953.43 and 508,086.66 is: 701,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,853.57 : 1,263,953.43 = 508,086.66 : x
  2. Step 2: Convert to fraction form
    915,853.57/1,263,953.43 = 508,086.66/x
  3. Step 3: Cross multiply
    915,853.57x = 1,263,953.43 × 508,086.66
  4. Step 4: Simplify right side
    915,853.57x = 642,197,876,644.24
  5. Step 5: Solve for x
    x = 642,197,876,644.24/915,853.57
  6. Step 6: Final answer
    x = 701,201.48

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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.