Home / 669,718.83-1,004,716.64-220,466.66

Finding the Fourth Proportional to 669,718.83, 1,004,716.64 and 220,466.66

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Solution

The fourth proportional to 669,718.83, 1,004,716.64 and 220,466.66 is: 330,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,718.83 : 1,004,716.64 = 220,466.66 : x
  2. Step 2: Convert to fraction form
    669,718.83/1,004,716.64 = 220,466.66/x
  3. Step 3: Cross multiply
    669,718.83x = 1,004,716.64 × 220,466.66
  4. Step 4: Simplify right side
    669,718.83x = 221,506,517,394.81
  5. Step 5: Solve for x
    x = 221,506,517,394.81/669,718.83
  6. Step 6: Final answer
    x = 330,745.54

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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.