Home / 748,700.14-1,122,413.72-327,661.42

Finding the Fourth Proportional to 748,700.14, 1,122,413.72 and 327,661.42

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Solution

The fourth proportional to 748,700.14, 1,122,413.72 and 327,661.42 is: 491,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,700.14 : 1,122,413.72 = 327,661.42 : x
  2. Step 2: Convert to fraction form
    748,700.14/1,122,413.72 = 327,661.42/x
  3. Step 3: Cross multiply
    748,700.14x = 1,122,413.72 × 327,661.42
  4. Step 4: Simplify right side
    748,700.14x = 367,771,673,322.68
  5. Step 5: Solve for x
    x = 367,771,673,322.68/748,700.14
  6. Step 6: Final answer
    x = 491,213.58

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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.