Home / 855,014.40-1,282,521.60-329,702.40

Finding the Fourth Proportional to 855,014.40, 1,282,521.60 and 329,702.40

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Solution

The fourth proportional to 855,014.40, 1,282,521.60 and 329,702.40 is: 494,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,014.40 : 1,282,521.60 = 329,702.40 : x
  2. Step 2: Convert to fraction form
    855,014.40/1,282,521.60 = 329,702.40/x
  3. Step 3: Cross multiply
    855,014.40x = 1,282,521.60 × 329,702.40
  4. Step 4: Simplify right side
    855,014.40x = 422,850,449,571.84
  5. Step 5: Solve for x
    x = 422,850,449,571.84/855,014.40
  6. Step 6: Final answer
    x = 494,553.60

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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.