Home / 915,853.43-1,263,953.23-508,086.51

Finding the Fourth Proportional to 915,853.43, 1,263,953.23 and 508,086.51

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Solution

The fourth proportional to 915,853.43, 1,263,953.23 and 508,086.51 is: 701,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,853.43 : 1,263,953.23 = 508,086.51 : x
  2. Step 2: Convert to fraction form
    915,853.43/1,263,953.23 = 508,086.51/x
  3. Step 3: Cross multiply
    915,853.43x = 1,263,953.23 × 508,086.51
  4. Step 4: Simplify right side
    915,853.43x = 642,197,579,423.89
  5. Step 5: Solve for x
    x = 642,197,579,423.89/915,853.43
  6. Step 6: Final answer
    x = 701,201.26

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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.