Home / 751,413.70-1,036,990.65-411,896.26

Finding the Fourth Proportional to 751,413.70, 1,036,990.65 and 411,896.26

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Solution

The fourth proportional to 751,413.70, 1,036,990.65 and 411,896.26 is: 568,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,413.70 : 1,036,990.65 = 411,896.26 : x
  2. Step 2: Convert to fraction form
    751,413.70/1,036,990.65 = 411,896.26/x
  3. Step 3: Cross multiply
    751,413.70x = 1,036,990.65 × 411,896.26
  4. Step 4: Simplify right side
    751,413.70x = 427,132,570,389.97
  5. Step 5: Solve for x
    x = 427,132,570,389.97/751,413.70
  6. Step 6: Final answer
    x = 568,438.62

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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.