Home / 879,787.87-1,213,825.09-492,546.37

Finding the Fourth Proportional to 879,787.87, 1,213,825.09 and 492,546.37

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Solution

The fourth proportional to 879,787.87, 1,213,825.09 and 492,546.37 is: 679,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,787.87 : 1,213,825.09 = 492,546.37 : x
  2. Step 2: Convert to fraction form
    879,787.87/1,213,825.09 = 492,546.37/x
  3. Step 3: Cross multiply
    879,787.87x = 1,213,825.09 × 492,546.37
  4. Step 4: Simplify right side
    879,787.87x = 597,865,140,827.94
  5. Step 5: Solve for x
    x = 597,865,140,827.94/879,787.87
  6. Step 6: Final answer
    x = 679,556.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.