Home / 814,682.70-1,222,461.45-341,415.90

Finding the Fourth Proportional to 814,682.70, 1,222,461.45 and 341,415.90

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Solution

The fourth proportional to 814,682.70, 1,222,461.45 and 341,415.90 is: 512,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,682.70 : 1,222,461.45 = 341,415.90 : x
  2. Step 2: Convert to fraction form
    814,682.70/1,222,461.45 = 341,415.90/x
  3. Step 3: Cross multiply
    814,682.70x = 1,222,461.45 × 341,415.90
  4. Step 4: Simplify right side
    814,682.70x = 417,367,776,167.06
  5. Step 5: Solve for x
    x = 417,367,776,167.06/814,682.70
  6. Step 6: Final answer
    x = 512,307.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.