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Finding the Fourth Proportional to 479,766.30, 662,074.65 and 264,904.62

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Solution

The fourth proportional to 479,766.30, 662,074.65 and 264,904.62 is: 365,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,766.30 : 662,074.65 = 264,904.62 : x
  2. Step 2: Convert to fraction form
    479,766.30/662,074.65 = 264,904.62/x
  3. Step 3: Cross multiply
    479,766.30x = 662,074.65 × 264,904.62
  4. Step 4: Simplify right side
    479,766.30x = 175,386,633,569.88
  5. Step 5: Solve for x
    x = 175,386,633,569.88/479,766.30
  6. Step 6: Final answer
    x = 365,566.81

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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.