Home / 669,717.77-1,004,715.06-220,465.60

Finding the Fourth Proportional to 669,717.77, 1,004,715.06 and 220,465.60

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Solution

The fourth proportional to 669,717.77, 1,004,715.06 and 220,465.60 is: 330,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,717.77 : 1,004,715.06 = 220,465.60 : x
  2. Step 2: Convert to fraction form
    669,717.77/1,004,715.06 = 220,465.60/x
  3. Step 3: Cross multiply
    669,717.77x = 1,004,715.06 × 220,465.60
  4. Step 4: Simplify right side
    669,717.77x = 221,505,105,193.40
  5. Step 5: Solve for x
    x = 221,505,105,193.40/669,717.77
  6. Step 6: Final answer
    x = 330,743.96

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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.