Home / 874,110.10-1,311,003.15-242,893.30

Finding the Fourth Proportional to 874,110.10, 1,311,003.15 and 242,893.30

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Solution

The fourth proportional to 874,110.10, 1,311,003.15 and 242,893.30 is: 364,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,110.10 : 1,311,003.15 = 242,893.30 : x
  2. Step 2: Convert to fraction form
    874,110.10/1,311,003.15 = 242,893.30/x
  3. Step 3: Cross multiply
    874,110.10x = 1,311,003.15 × 242,893.30
  4. Step 4: Simplify right side
    874,110.10x = 318,433,881,413.90
  5. Step 5: Solve for x
    x = 318,433,881,413.90/874,110.10
  6. Step 6: Final answer
    x = 364,294.93

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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.