Home / 684,925.37-945,198.14-379,014.63

Finding the Fourth Proportional to 684,925.37, 945,198.14 and 379,014.63

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Solution

The fourth proportional to 684,925.37, 945,198.14 and 379,014.63 is: 523,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,925.37 : 945,198.14 = 379,014.63 : x
  2. Step 2: Convert to fraction form
    684,925.37/945,198.14 = 379,014.63/x
  3. Step 3: Cross multiply
    684,925.37x = 945,198.14 × 379,014.63
  4. Step 4: Simplify right side
    684,925.37x = 358,243,921,413.72
  5. Step 5: Solve for x
    x = 358,243,921,413.72/684,925.37
  6. Step 6: Final answer
    x = 523,040.82

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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.