Home / 752,887.62-1,129,390.63-213,135.16

Finding the Fourth Proportional to 752,887.62, 1,129,390.63 and 213,135.16

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Solution

The fourth proportional to 752,887.62, 1,129,390.63 and 213,135.16 is: 319,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,887.62 : 1,129,390.63 = 213,135.16 : x
  2. Step 2: Convert to fraction form
    752,887.62/1,129,390.63 = 213,135.16/x
  3. Step 3: Cross multiply
    752,887.62x = 1,129,390.63 × 213,135.16
  4. Step 4: Simplify right side
    752,887.62x = 240,712,852,627.55
  5. Step 5: Solve for x
    x = 240,712,852,627.55/752,887.62
  6. Step 6: Final answer
    x = 319,719.50

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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.