Home / 762,028.44-1,142,242.40-256,413.88

Finding the Fourth Proportional to 762,028.44, 1,142,242.40 and 256,413.88

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Solution

The fourth proportional to 762,028.44, 1,142,242.40 and 256,413.88 is: 384,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,028.44 : 1,142,242.40 = 256,413.88 : x
  2. Step 2: Convert to fraction form
    762,028.44/1,142,242.40 = 256,413.88/x
  3. Step 3: Cross multiply
    762,028.44x = 1,142,242.40 × 256,413.88
  4. Step 4: Simplify right side
    762,028.44x = 292,886,805,684.51
  5. Step 5: Solve for x
    x = 292,886,805,684.51/762,028.44
  6. Step 6: Final answer
    x = 384,351.54

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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.