Home / 775,609.02-1,163,413.86-243,171.55

Finding the Fourth Proportional to 775,609.02, 1,163,413.86 and 243,171.55

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Solution

The fourth proportional to 775,609.02, 1,163,413.86 and 243,171.55 is: 364,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,609.02 : 1,163,413.86 = 243,171.55 : x
  2. Step 2: Convert to fraction form
    775,609.02/1,163,413.86 = 243,171.55/x
  3. Step 3: Cross multiply
    775,609.02x = 1,163,413.86 × 243,171.55
  4. Step 4: Simplify right side
    775,609.02x = 282,909,151,627.68
  5. Step 5: Solve for x
    x = 282,909,151,627.68/775,609.02
  6. Step 6: Final answer
    x = 364,757.43

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Double scale
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1.5x scale

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.