Home / 855,583.22-1,284,636.45-477,243.15

Finding the Fourth Proportional to 855,583.22, 1,284,636.45 and 477,243.15

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Solution

The fourth proportional to 855,583.22, 1,284,636.45 and 477,243.15 is: 716,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,583.22 : 1,284,636.45 = 477,243.15 : x
  2. Step 2: Convert to fraction form
    855,583.22/1,284,636.45 = 477,243.15/x
  3. Step 3: Cross multiply
    855,583.22x = 1,284,636.45 × 477,243.15
  4. Step 4: Simplify right side
    855,583.22x = 613,083,946,002.82
  5. Step 5: Solve for x
    x = 613,083,946,002.82/855,583.22
  6. Step 6: Final answer
    x = 716,568.46

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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.