Home / 548,054.52-821,583.54-210,880.14

Finding the Fourth Proportional to 548,054.52, 821,583.54 and 210,880.14

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Solution

The fourth proportional to 548,054.52, 821,583.54 and 210,880.14 is: 316,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,054.52 : 821,583.54 = 210,880.14 : x
  2. Step 2: Convert to fraction form
    548,054.52/821,583.54 = 210,880.14/x
  3. Step 3: Cross multiply
    548,054.52x = 821,583.54 × 210,880.14
  4. Step 4: Simplify right side
    548,054.52x = 173,255,651,936.90
  5. Step 5: Solve for x
    x = 173,255,651,936.90/548,054.52
  6. Step 6: Final answer
    x = 316,128.50

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1.5x scale

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.