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Finding the Fourth Proportional to 494,044.80, 741,758.40 and 307,420.80

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Solution

The fourth proportional to 494,044.80, 741,758.40 and 307,420.80 is: 461,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,044.80 : 741,758.40 = 307,420.80 : x
  2. Step 2: Convert to fraction form
    494,044.80/741,758.40 = 307,420.80/x
  3. Step 3: Cross multiply
    494,044.80x = 741,758.40 × 307,420.80
  4. Step 4: Simplify right side
    494,044.80x = 228,031,960,734.72
  5. Step 5: Solve for x
    x = 228,031,960,734.72/494,044.80
  6. Step 6: Final answer
    x = 461,561.30

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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.