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Finding the Fourth Proportional to 576,101.40, 864,152.10 and 492,120.60

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Solution

The fourth proportional to 576,101.40, 864,152.10 and 492,120.60 is: 738,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,101.40 : 864,152.10 = 492,120.60 : x
  2. Step 2: Convert to fraction form
    576,101.40/864,152.10 = 492,120.60/x
  3. Step 3: Cross multiply
    576,101.40x = 864,152.10 × 492,120.60
  4. Step 4: Simplify right side
    576,101.40x = 425,267,049,943.26
  5. Step 5: Solve for x
    x = 425,267,049,943.26/576,101.40
  6. Step 6: Final answer
    x = 738,180.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.