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Finding the Fourth Proportional to 626,551.59, 864,618.03 and 340,065.54

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Solution

The fourth proportional to 626,551.59, 864,618.03 and 340,065.54 is: 469,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,551.59 : 864,618.03 = 340,065.54 : x
  2. Step 2: Convert to fraction form
    626,551.59/864,618.03 = 340,065.54/x
  3. Step 3: Cross multiply
    626,551.59x = 864,618.03 × 340,065.54
  4. Step 4: Simplify right side
    626,551.59x = 294,026,797,265.69
  5. Step 5: Solve for x
    x = 294,026,797,265.69/626,551.59
  6. Step 6: Final answer
    x = 469,277.87

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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.