Home / 727,833.02-1,004,413.54-422,090.67

Finding the Fourth Proportional to 727,833.02, 1,004,413.54 and 422,090.67

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Solution

The fourth proportional to 727,833.02, 1,004,413.54 and 422,090.67 is: 582,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,833.02 : 1,004,413.54 = 422,090.67 : x
  2. Step 2: Convert to fraction form
    727,833.02/1,004,413.54 = 422,090.67/x
  3. Step 3: Cross multiply
    727,833.02x = 1,004,413.54 × 422,090.67
  4. Step 4: Simplify right side
    727,833.02x = 423,953,582,072.25
  5. Step 5: Solve for x
    x = 423,953,582,072.25/727,833.02
  6. Step 6: Final answer
    x = 582,487.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.