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Finding the Fourth Proportional to 626,662.26, 864,795.02 and 340,182.54

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Solution

The fourth proportional to 626,662.26, 864,795.02 and 340,182.54 is: 469,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,662.26 : 864,795.02 = 340,182.54 : x
  2. Step 2: Convert to fraction form
    626,662.26/864,795.02 = 340,182.54/x
  3. Step 3: Cross multiply
    626,662.26x = 864,795.02 × 340,182.54
  4. Step 4: Simplify right side
    626,662.26x = 294,188,164,782.04
  5. Step 5: Solve for x
    x = 294,188,164,782.04/626,662.26
  6. Step 6: Final answer
    x = 469,452.50

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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.