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Finding the Fourth Proportional to 491,818.40, 737,727.60 and 302,861.60

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Solution

The fourth proportional to 491,818.40, 737,727.60 and 302,861.60 is: 454,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,818.40 : 737,727.60 = 302,861.60 : x
  2. Step 2: Convert to fraction form
    491,818.40/737,727.60 = 302,861.60/x
  3. Step 3: Cross multiply
    491,818.40x = 737,727.60 × 302,861.60
  4. Step 4: Simplify right side
    491,818.40x = 223,429,361,300.16
  5. Step 5: Solve for x
    x = 223,429,361,300.16/491,818.40
  6. Step 6: Final answer
    x = 454,292.40

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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.