Home / 669,321.51-1,004,381.19-242,890.64

Finding the Fourth Proportional to 669,321.51, 1,004,381.19 and 242,890.64

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Solution

The fourth proportional to 669,321.51, 1,004,381.19 and 242,890.64 is: 364,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,321.51 : 1,004,381.19 = 242,890.64 : x
  2. Step 2: Convert to fraction form
    669,321.51/1,004,381.19 = 242,890.64/x
  3. Step 3: Cross multiply
    669,321.51x = 1,004,381.19 × 242,890.64
  4. Step 4: Simplify right side
    669,321.51x = 243,954,785,021.16
  5. Step 5: Solve for x
    x = 243,954,785,021.16/669,321.51
  6. Step 6: Final answer
    x = 364,480.72

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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.