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Finding the Fourth Proportional to 626,568.62, 864,665.48 and 340,088.63

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Solution

The fourth proportional to 626,568.62, 864,665.48 and 340,088.63 is: 469,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,568.62 : 864,665.48 = 340,088.63 : x
  2. Step 2: Convert to fraction form
    626,568.62/864,665.48 = 340,088.63/x
  3. Step 3: Cross multiply
    626,568.62x = 864,665.48 × 340,088.63
  4. Step 4: Simplify right side
    626,568.62x = 294,062,895,028.39
  5. Step 5: Solve for x
    x = 294,062,895,028.39/626,568.62
  6. Step 6: Final answer
    x = 469,322.73

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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.