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Finding the Fourth Proportional to 557,171.44, 768,900.60 and 302,522.80

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Solution

The fourth proportional to 557,171.44, 768,900.60 and 302,522.80 is: 417,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,171.44 : 768,900.60 = 302,522.80 : x
  2. Step 2: Convert to fraction form
    557,171.44/768,900.60 = 302,522.80/x
  3. Step 3: Cross multiply
    557,171.44x = 768,900.60 × 302,522.80
  4. Step 4: Simplify right side
    557,171.44x = 232,609,962,433.68
  5. Step 5: Solve for x
    x = 232,609,962,433.68/557,171.44
  6. Step 6: Final answer
    x = 417,483.64

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1.5x scale

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.