Home / 442,941.57-663,415.23-310,413.48

Finding the Fourth Proportional to 442,941.57, 663,415.23 and 310,413.48

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Solution

The fourth proportional to 442,941.57, 663,415.23 and 310,413.48 is: 464,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,941.57 : 663,415.23 = 310,413.48 : x
  2. Step 2: Convert to fraction form
    442,941.57/663,415.23 = 310,413.48/x
  3. Step 3: Cross multiply
    442,941.57x = 663,415.23 × 310,413.48
  4. Step 4: Simplify right side
    442,941.57x = 205,933,030,229.30
  5. Step 5: Solve for x
    x = 205,933,030,229.30/442,941.57
  6. Step 6: Final answer
    x = 464,921.43

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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.