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Finding the Fourth Proportional to 637,651.60, 879,925.48 and 365,705.44

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Solution

The fourth proportional to 637,651.60, 879,925.48 and 365,705.44 is: 504,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,651.60 : 879,925.48 = 365,705.44 : x
  2. Step 2: Convert to fraction form
    637,651.60/879,925.48 = 365,705.44/x
  3. Step 3: Cross multiply
    637,651.60x = 879,925.48 × 365,705.44
  4. Step 4: Simplify right side
    637,651.60x = 321,793,534,830.61
  5. Step 5: Solve for x
    x = 321,793,534,830.61/637,651.60
  6. Step 6: Final answer
    x = 504,654.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.