Home / 855,583.56-1,284,636.95-477,243.50

Finding the Fourth Proportional to 855,583.56, 1,284,636.95 and 477,243.50

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Solution

The fourth proportional to 855,583.56, 1,284,636.95 and 477,243.50 is: 716,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,583.56 : 1,284,636.95 = 477,243.50 : x
  2. Step 2: Convert to fraction form
    855,583.56/1,284,636.95 = 477,243.50/x
  3. Step 3: Cross multiply
    855,583.56x = 1,284,636.95 × 477,243.50
  4. Step 4: Simplify right side
    855,583.56x = 613,084,634,247.33
  5. Step 5: Solve for x
    x = 613,084,634,247.33/855,583.56
  6. Step 6: Final answer
    x = 716,568.97

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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.