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Finding the Fourth Proportional to 540,011.80, 808,049.40 and 492,772.60

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Solution

The fourth proportional to 540,011.80, 808,049.40 and 492,772.60 is: 737,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,011.80 : 808,049.40 = 492,772.60 : x
  2. Step 2: Convert to fraction form
    540,011.80/808,049.40 = 492,772.60/x
  3. Step 3: Cross multiply
    540,011.80x = 808,049.40 × 492,772.60
  4. Step 4: Simplify right side
    540,011.80x = 398,184,603,766.44
  5. Step 5: Solve for x
    x = 398,184,603,766.44/540,011.80
  6. Step 6: Final answer
    x = 737,362.78

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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.