Home / 1,338,208.70-2,006,648.85-485,246.30

Finding the Fourth Proportional to 1,338,208.70, 2,006,648.85 and 485,246.30

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Solution

The fourth proportional to 1,338,208.70, 2,006,648.85 and 485,246.30 is: 727,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,208.70 : 2,006,648.85 = 485,246.30 : x
  2. Step 2: Convert to fraction form
    1,338,208.70/2,006,648.85 = 485,246.30/x
  3. Step 3: Cross multiply
    1,338,208.70x = 2,006,648.85 × 485,246.30
  4. Step 4: Simplify right side
    1,338,208.70x = 973,718,929,861.76
  5. Step 5: Solve for x
    x = 973,718,929,861.76/1,338,208.70
  6. Step 6: Final answer
    x = 727,628.61

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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.