Home / 855,596.92-1,284,656.94-477,256.84

Finding the Fourth Proportional to 855,596.92, 1,284,656.94 and 477,256.84

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Solution

The fourth proportional to 855,596.92, 1,284,656.94 and 477,256.84 is: 716,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,596.92 : 1,284,656.94 = 477,256.84 : x
  2. Step 2: Convert to fraction form
    855,596.92/1,284,656.94 = 477,256.84/x
  3. Step 3: Cross multiply
    855,596.92x = 1,284,656.94 × 477,256.84
  4. Step 4: Simplify right side
    855,596.92x = 613,111,311,668.47
  5. Step 5: Solve for x
    x = 613,111,311,668.47/855,596.92
  6. Step 6: Final answer
    x = 716,588.97

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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.