Home / 814,142.01-1,122,780.69-508,246.77

Finding the Fourth Proportional to 814,142.01, 1,122,780.69 and 508,246.77

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Solution

The fourth proportional to 814,142.01, 1,122,780.69 and 508,246.77 is: 700,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,142.01 : 1,122,780.69 = 508,246.77 : x
  2. Step 2: Convert to fraction form
    814,142.01/1,122,780.69 = 508,246.77/x
  3. Step 3: Cross multiply
    814,142.01x = 1,122,780.69 × 508,246.77
  4. Step 4: Simplify right side
    814,142.01x = 570,649,659,110.87
  5. Step 5: Solve for x
    x = 570,649,659,110.87/814,142.01
  6. Step 6: Final answer
    x = 700,921.52

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1.5x scale

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.