Home / 751,413.52-1,127,293.12-245,990.80

Finding the Fourth Proportional to 751,413.52, 1,127,293.12 and 245,990.80

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Solution

The fourth proportional to 751,413.52, 1,127,293.12 and 245,990.80 is: 369,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,413.52 : 1,127,293.12 = 245,990.80 : x
  2. Step 2: Convert to fraction form
    751,413.52/1,127,293.12 = 245,990.80/x
  3. Step 3: Cross multiply
    751,413.52x = 1,127,293.12 × 245,990.80
  4. Step 4: Simplify right side
    751,413.52x = 277,303,736,423.30
  5. Step 5: Solve for x
    x = 277,303,736,423.30/751,413.52
  6. Step 6: Final answer
    x = 369,042.78

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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.