Home / 751,294.92-1,036,785-407,140.44

Finding the Fourth Proportional to 751,294.92, 1,036,785 and 407,140.44

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Solution

The fourth proportional to 751,294.92, 1,036,785 and 407,140.44 is: 561,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,294.92 : 1,036,785 = 407,140.44 : x
  2. Step 2: Convert to fraction form
    751,294.92/1,036,785 = 407,140.44/x
  3. Step 3: Cross multiply
    751,294.92x = 1,036,785 × 407,140.44
  4. Step 4: Simplify right side
    751,294.92x = 422,117,101,085.40
  5. Step 5: Solve for x
    x = 422,117,101,085.40/751,294.92
  6. Step 6: Final answer
    x = 561,852.73

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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.