Home / 910,698.30-1,256,757.78-502,825.56

Finding the Fourth Proportional to 910,698.30, 1,256,757.78 and 502,825.56

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Solution

The fourth proportional to 910,698.30, 1,256,757.78 and 502,825.56 is: 693,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,698.30 : 1,256,757.78 = 502,825.56 : x
  2. Step 2: Convert to fraction form
    910,698.30/1,256,757.78 = 502,825.56/x
  3. Step 3: Cross multiply
    910,698.30x = 1,256,757.78 × 502,825.56
  4. Step 4: Simplify right side
    910,698.30x = 631,929,934,512.86
  5. Step 5: Solve for x
    x = 631,929,934,512.86/910,698.30
  6. Step 6: Final answer
    x = 693,896.03

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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.