Home / 814,483.80-1,222,017.30-341,314.20

Finding the Fourth Proportional to 814,483.80, 1,222,017.30 and 341,314.20

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Solution

The fourth proportional to 814,483.80, 1,222,017.30 and 341,314.20 is: 512,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,483.80 : 1,222,017.30 = 341,314.20 : x
  2. Step 2: Convert to fraction form
    814,483.80/1,222,017.30 = 341,314.20/x
  3. Step 3: Cross multiply
    814,483.80x = 1,222,017.30 × 341,314.20
  4. Step 4: Simplify right side
    814,483.80x = 417,091,857,135.66
  5. Step 5: Solve for x
    x = 417,091,857,135.66/814,483.80
  6. Step 6: Final answer
    x = 512,093.50

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Double scale
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1.5x scale

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.