Home / 1,544,230.90-2,316,346.35-422,413.30

Finding the Fourth Proportional to 1,544,230.90, 2,316,346.35 and 422,413.30

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Solution

The fourth proportional to 1,544,230.90, 2,316,346.35 and 422,413.30 is: 633,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,230.90 : 2,316,346.35 = 422,413.30 : x
  2. Step 2: Convert to fraction form
    1,544,230.90/2,316,346.35 = 422,413.30/x
  3. Step 3: Cross multiply
    1,544,230.90x = 2,316,346.35 × 422,413.30
  4. Step 4: Simplify right side
    1,544,230.90x = 978,455,505,646.46
  5. Step 5: Solve for x
    x = 978,455,505,646.46/1,544,230.90
  6. Step 6: Final answer
    x = 633,619.95

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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.