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Finding the Fourth Proportional to 644,927.20, 966,699.60 and 245,413.60

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Solution

The fourth proportional to 644,927.20, 966,699.60 and 245,413.60 is: 367,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,927.20 : 966,699.60 = 245,413.60 : x
  2. Step 2: Convert to fraction form
    644,927.20/966,699.60 = 245,413.60/x
  3. Step 3: Cross multiply
    644,927.20x = 966,699.60 × 245,413.60
  4. Step 4: Simplify right side
    644,927.20x = 237,241,228,954.56
  5. Step 5: Solve for x
    x = 237,241,228,954.56/644,927.20
  6. Step 6: Final answer
    x = 367,857.38

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1.5x scale

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.