Home / 711,137.52-1,066,707.33-290,413.41

Finding the Fourth Proportional to 711,137.52, 1,066,707.33 and 290,413.41

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Solution

The fourth proportional to 711,137.52, 1,066,707.33 and 290,413.41 is: 435,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,137.52 : 1,066,707.33 = 290,413.41 : x
  2. Step 2: Convert to fraction form
    711,137.52/1,066,707.33 = 290,413.41/x
  3. Step 3: Cross multiply
    711,137.52x = 1,066,707.33 × 290,413.41
  4. Step 4: Simplify right side
    711,137.52x = 309,786,113,177.30
  5. Step 5: Solve for x
    x = 309,786,113,177.30/711,137.52
  6. Step 6: Final answer
    x = 435,620.54

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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.