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Finding the Fourth Proportional to 492,002.80, 738,004.20 and 404,522.80

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Solution

The fourth proportional to 492,002.80, 738,004.20 and 404,522.80 is: 606,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,002.80 : 738,004.20 = 404,522.80 : x
  2. Step 2: Convert to fraction form
    492,002.80/738,004.20 = 404,522.80/x
  3. Step 3: Cross multiply
    492,002.80x = 738,004.20 × 404,522.80
  4. Step 4: Simplify right side
    492,002.80x = 298,539,525,395.76
  5. Step 5: Solve for x
    x = 298,539,525,395.76/492,002.80
  6. Step 6: Final answer
    x = 606,784.20

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Similar ratio
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1.5x scale

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.