Home / 888,026.30-1,330,508.55-413,738.90

Finding the Fourth Proportional to 888,026.30, 1,330,508.55 and 413,738.90

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Solution

The fourth proportional to 888,026.30, 1,330,508.55 and 413,738.90 is: 619,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,026.30 : 1,330,508.55 = 413,738.90 : x
  2. Step 2: Convert to fraction form
    888,026.30/1,330,508.55 = 413,738.90/x
  3. Step 3: Cross multiply
    888,026.30x = 1,330,508.55 × 413,738.90
  4. Step 4: Simplify right side
    888,026.30x = 550,483,143,917.60
  5. Step 5: Solve for x
    x = 550,483,143,917.60/888,026.30
  6. Step 6: Final answer
    x = 619,895.09

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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.