Home / 874,825.44-1,312,238.16-209,977.44

Finding the Fourth Proportional to 874,825.44, 1,312,238.16 and 209,977.44

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Solution

The fourth proportional to 874,825.44, 1,312,238.16 and 209,977.44 is: 314,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,825.44 : 1,312,238.16 = 209,977.44 : x
  2. Step 2: Convert to fraction form
    874,825.44/1,312,238.16 = 209,977.44/x
  3. Step 3: Cross multiply
    874,825.44x = 1,312,238.16 × 209,977.44
  4. Step 4: Simplify right side
    874,825.44x = 275,540,409,507.11
  5. Step 5: Solve for x
    x = 275,540,409,507.11/874,825.44
  6. Step 6: Final answer
    x = 314,966.16

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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.