Home / 681,028.40-1,019,987.40-401,092.40

Finding the Fourth Proportional to 681,028.40, 1,019,987.40 and 401,092.40

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Solution

The fourth proportional to 681,028.40, 1,019,987.40 and 401,092.40 is: 600,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,028.40 : 1,019,987.40 = 401,092.40 : x
  2. Step 2: Convert to fraction form
    681,028.40/1,019,987.40 = 401,092.40/x
  3. Step 3: Cross multiply
    681,028.40x = 1,019,987.40 × 401,092.40
  4. Step 4: Simplify right side
    681,028.40x = 409,109,194,235.76
  5. Step 5: Solve for x
    x = 409,109,194,235.76/681,028.40
  6. Step 6: Final answer
    x = 600,722.66

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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.