Home / 855,114.30-1,281,869.55-322,992.90

Finding the Fourth Proportional to 855,114.30, 1,281,869.55 and 322,992.90

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Solution

The fourth proportional to 855,114.30, 1,281,869.55 and 322,992.90 is: 484,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,114.30 : 1,281,869.55 = 322,992.90 : x
  2. Step 2: Convert to fraction form
    855,114.30/1,281,869.55 = 322,992.90/x
  3. Step 3: Cross multiply
    855,114.30x = 1,281,869.55 × 322,992.90
  4. Step 4: Simplify right side
    855,114.30x = 414,034,763,376.20
  5. Step 5: Solve for x
    x = 414,034,763,376.20/855,114.30
  6. Step 6: Final answer
    x = 484,186.46

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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.