Home / 835,346.80-1,252,145.40-329,712.40

Finding the Fourth Proportional to 835,346.80, 1,252,145.40 and 329,712.40

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Solution

The fourth proportional to 835,346.80, 1,252,145.40 and 329,712.40 is: 494,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,346.80 : 1,252,145.40 = 329,712.40 : x
  2. Step 2: Convert to fraction form
    835,346.80/1,252,145.40 = 329,712.40/x
  3. Step 3: Cross multiply
    835,346.80x = 1,252,145.40 × 329,712.40
  4. Step 4: Simplify right side
    835,346.80x = 412,847,864,982.96
  5. Step 5: Solve for x
    x = 412,847,864,982.96/835,346.80
  6. Step 6: Final answer
    x = 494,223.32

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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.