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Finding the Fourth Proportional to 626,482.31, 864,546.03 and 340,002.39

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Solution

The fourth proportional to 626,482.31, 864,546.03 and 340,002.39 is: 469,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,482.31 : 864,546.03 = 340,002.39 : x
  2. Step 2: Convert to fraction form
    626,482.31/864,546.03 = 340,002.39/x
  3. Step 3: Cross multiply
    626,482.31x = 864,546.03 × 340,002.39
  4. Step 4: Simplify right side
    626,482.31x = 293,947,714,765.00
  5. Step 5: Solve for x
    x = 293,947,714,765.00/626,482.31
  6. Step 6: Final answer
    x = 469,203.54

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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.