Home / 751,231.03-1,036,676.30-428,878.17

Finding the Fourth Proportional to 751,231.03, 1,036,676.30 and 428,878.17

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Solution

The fourth proportional to 751,231.03, 1,036,676.30 and 428,878.17 is: 591,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,231.03 : 1,036,676.30 = 428,878.17 : x
  2. Step 2: Convert to fraction form
    751,231.03/1,036,676.30 = 428,878.17/x
  3. Step 3: Cross multiply
    751,231.03x = 1,036,676.30 × 428,878.17
  4. Step 4: Simplify right side
    751,231.03x = 444,607,834,426.37
  5. Step 5: Solve for x
    x = 444,607,834,426.37/751,231.03
  6. Step 6: Final answer
    x = 591,839.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.