Home / 626,427.37-864,469.74-339,947.46

Finding the Fourth Proportional to 626,427.37, 864,469.74 and 339,947.46

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Solution

The fourth proportional to 626,427.37, 864,469.74 and 339,947.46 is: 469,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,427.37 : 864,469.74 = 339,947.46 : x
  2. Step 2: Convert to fraction form
    626,427.37/864,469.74 = 339,947.46/x
  3. Step 3: Cross multiply
    626,427.37x = 864,469.74 × 339,947.46
  4. Step 4: Simplify right side
    626,427.37x = 293,874,290,247.24
  5. Step 5: Solve for x
    x = 293,874,290,247.24/626,427.37
  6. Step 6: Final answer
    x = 469,127.47

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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.