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Finding the Fourth Proportional to 567,302.10, 850,078.35 and 492,069.30

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Solution

The fourth proportional to 567,302.10, 850,078.35 and 492,069.30 is: 737,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,302.10 : 850,078.35 = 492,069.30 : x
  2. Step 2: Convert to fraction form
    567,302.10/850,078.35 = 492,069.30/x
  3. Step 3: Cross multiply
    567,302.10x = 850,078.35 × 492,069.30
  4. Step 4: Simplify right side
    567,302.10x = 418,297,458,629.66
  5. Step 5: Solve for x
    x = 418,297,458,629.66/567,302.10
  6. Step 6: Final answer
    x = 737,345.16

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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.