Home / 503,055.03-693,986.94-298,989.98

Finding the Fourth Proportional to 503,055.03, 693,986.94 and 298,989.98

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Solution

The fourth proportional to 503,055.03, 693,986.94 and 298,989.98 is: 412,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,055.03 : 693,986.94 = 298,989.98 : x
  2. Step 2: Convert to fraction form
    503,055.03/693,986.94 = 298,989.98/x
  3. Step 3: Cross multiply
    503,055.03x = 693,986.94 × 298,989.98
  4. Step 4: Simplify right side
    503,055.03x = 207,495,140,443.38
  5. Step 5: Solve for x
    x = 207,495,140,443.38/503,055.03
  6. Step 6: Final answer
    x = 412,470.06

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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.