Home / 572,202.80-858,304.20-320,260.40

Finding the Fourth Proportional to 572,202.80, 858,304.20 and 320,260.40

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Solution

The fourth proportional to 572,202.80, 858,304.20 and 320,260.40 is: 480,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,202.80 : 858,304.20 = 320,260.40 : x
  2. Step 2: Convert to fraction form
    572,202.80/858,304.20 = 320,260.40/x
  3. Step 3: Cross multiply
    572,202.80x = 858,304.20 × 320,260.40
  4. Step 4: Simplify right side
    572,202.80x = 274,880,846,413.68
  5. Step 5: Solve for x
    x = 274,880,846,413.68/572,202.80
  6. Step 6: Final answer
    x = 480,390.60

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Similar ratio
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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.