Home / 408,015.07-562,886.15-254,787.23

Finding the Fourth Proportional to 408,015.07, 562,886.15 and 254,787.23

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Solution

The fourth proportional to 408,015.07, 562,886.15 and 254,787.23 is: 351,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,015.07 : 562,886.15 = 254,787.23 : x
  2. Step 2: Convert to fraction form
    408,015.07/562,886.15 = 254,787.23/x
  3. Step 3: Cross multiply
    408,015.07x = 562,886.15 × 254,787.23
  4. Step 4: Simplify right side
    408,015.07x = 143,416,203,097.14
  5. Step 5: Solve for x
    x = 143,416,203,097.14/408,015.07
  6. Step 6: Final answer
    x = 351,497.32

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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.