Home / 837,980.17-1,257,044.37-238,928.47

Finding the Fourth Proportional to 837,980.17, 1,257,044.37 and 238,928.47

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Solution

The fourth proportional to 837,980.17, 1,257,044.37 and 238,928.47 is: 358,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,980.17 : 1,257,044.37 = 238,928.47 : x
  2. Step 2: Convert to fraction form
    837,980.17/1,257,044.37 = 238,928.47/x
  3. Step 3: Cross multiply
    837,980.17x = 1,257,044.37 × 238,928.47
  4. Step 4: Simplify right side
    837,980.17x = 300,343,684,007.62
  5. Step 5: Solve for x
    x = 300,343,684,007.62/837,980.17
  6. Step 6: Final answer
    x = 358,413.83

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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.