Home / 547,731.80-821,684.10-173,792.60

Finding the Fourth Proportional to 547,731.80, 821,684.10 and 173,792.60

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Solution

The fourth proportional to 547,731.80, 821,684.10 and 173,792.60 is: 260,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,731.80 : 821,684.10 = 173,792.60 : x
  2. Step 2: Convert to fraction form
    547,731.80/821,684.10 = 173,792.60/x
  3. Step 3: Cross multiply
    547,731.80x = 821,684.10 × 173,792.60
  4. Step 4: Simplify right side
    547,731.80x = 142,802,616,117.66
  5. Step 5: Solve for x
    x = 142,802,616,117.66/547,731.80
  6. Step 6: Final answer
    x = 260,716.31

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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.