Home / 1,038,640.80-1,557,799.20-328,843.20

Finding the Fourth Proportional to 1,038,640.80, 1,557,799.20 and 328,843.20

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Solution

The fourth proportional to 1,038,640.80, 1,557,799.20 and 328,843.20 is: 493,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,640.80 : 1,557,799.20 = 328,843.20 : x
  2. Step 2: Convert to fraction form
    1,038,640.80/1,557,799.20 = 328,843.20/x
  3. Step 3: Cross multiply
    1,038,640.80x = 1,557,799.20 × 328,843.20
  4. Step 4: Simplify right side
    1,038,640.80x = 512,271,673,885.44
  5. Step 5: Solve for x
    x = 512,271,673,885.44/1,038,640.80
  6. Step 6: Final answer
    x = 493,213.51

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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.