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Finding the Fourth Proportional to 582,697.32, 804,348 and 455,413.92

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Solution

The fourth proportional to 582,697.32, 804,348 and 455,413.92 is: 628,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,697.32 : 804,348 = 455,413.92 : x
  2. Step 2: Convert to fraction form
    582,697.32/804,348 = 455,413.92/x
  3. Step 3: Cross multiply
    582,697.32x = 804,348 × 455,413.92
  4. Step 4: Simplify right side
    582,697.32x = 366,311,275,724.16
  5. Step 5: Solve for x
    x = 366,311,275,724.16/582,697.32
  6. Step 6: Final answer
    x = 628,647.61

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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.