Home / 808,169.64-1,212,260.52-358,769.70

Finding the Fourth Proportional to 808,169.64, 1,212,260.52 and 358,769.70

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Solution

The fourth proportional to 808,169.64, 1,212,260.52 and 358,769.70 is: 538,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,169.64 : 1,212,260.52 = 358,769.70 : x
  2. Step 2: Convert to fraction form
    808,169.64/1,212,260.52 = 358,769.70/x
  3. Step 3: Cross multiply
    808,169.64x = 1,212,260.52 × 358,769.70
  4. Step 4: Simplify right side
    808,169.64x = 434,922,343,082.24
  5. Step 5: Solve for x
    x = 434,922,343,082.24/808,169.64
  6. Step 6: Final answer
    x = 538,157.24

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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.