Home / 855,015.40-1,282,523.10-329,703.40

Finding the Fourth Proportional to 855,015.40, 1,282,523.10 and 329,703.40

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Solution

The fourth proportional to 855,015.40, 1,282,523.10 and 329,703.40 is: 494,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,015.40 : 1,282,523.10 = 329,703.40 : x
  2. Step 2: Convert to fraction form
    855,015.40/1,282,523.10 = 329,703.40/x
  3. Step 3: Cross multiply
    855,015.40x = 1,282,523.10 × 329,703.40
  4. Step 4: Simplify right side
    855,015.40x = 422,852,226,648.54
  5. Step 5: Solve for x
    x = 422,852,226,648.54/855,015.40
  6. Step 6: Final answer
    x = 494,555.10

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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.