Home / 1,075,413.48-1,613,120.22-327,459.48

Finding the Fourth Proportional to 1,075,413.48, 1,613,120.22 and 327,459.48

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Solution

The fourth proportional to 1,075,413.48, 1,613,120.22 and 327,459.48 is: 491,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,413.48 : 1,613,120.22 = 327,459.48 : x
  2. Step 2: Convert to fraction form
    1,075,413.48/1,613,120.22 = 327,459.48/x
  3. Step 3: Cross multiply
    1,075,413.48x = 1,613,120.22 × 327,459.48
  4. Step 4: Simplify right side
    1,075,413.48x = 528,231,508,418.69
  5. Step 5: Solve for x
    x = 528,231,508,418.69/1,075,413.48
  6. Step 6: Final answer
    x = 491,189.22

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Double scale
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Similar ratio
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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.