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Finding the Fourth Proportional to 491,911.29, 736,199 and 302,490.67

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Solution

The fourth proportional to 491,911.29, 736,199 and 302,490.67 is: 452,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,911.29 : 736,199 = 302,490.67 : x
  2. Step 2: Convert to fraction form
    491,911.29/736,199 = 302,490.67/x
  3. Step 3: Cross multiply
    491,911.29x = 736,199 × 302,490.67
  4. Step 4: Simplify right side
    491,911.29x = 222,693,328,763.33
  5. Step 5: Solve for x
    x = 222,693,328,763.33/491,911.29
  6. Step 6: Final answer
    x = 452,710.34

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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.