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Finding the Fourth Proportional to 491,898.06, 736,180.56 and 302,478.39

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Solution

The fourth proportional to 491,898.06, 736,180.56 and 302,478.39 is: 452,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,898.06 : 736,180.56 = 302,478.39 : x
  2. Step 2: Convert to fraction form
    491,898.06/736,180.56 = 302,478.39/x
  3. Step 3: Cross multiply
    491,898.06x = 736,180.56 × 302,478.39
  4. Step 4: Simplify right side
    491,898.06x = 222,678,710,538.10
  5. Step 5: Solve for x
    x = 222,678,710,538.10/491,898.06
  6. Step 6: Final answer
    x = 452,692.80

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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.