Home / 814,112.74-1,122,740.43-508,217.51

Finding the Fourth Proportional to 814,112.74, 1,122,740.43 and 508,217.51

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Solution

The fourth proportional to 814,112.74, 1,122,740.43 and 508,217.51 is: 700,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,112.74 : 1,122,740.43 = 508,217.51 : x
  2. Step 2: Convert to fraction form
    814,112.74/1,122,740.43 = 508,217.51/x
  3. Step 3: Cross multiply
    814,112.74x = 1,122,740.43 × 508,217.51
  4. Step 4: Simplify right side
    814,112.74x = 570,596,346,611.97
  5. Step 5: Solve for x
    x = 570,596,346,611.97/814,112.74
  6. Step 6: Final answer
    x = 700,881.24

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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.