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Finding the Fourth Proportional to 626,548.94, 864,635.34 and 340,069.02

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Solution

The fourth proportional to 626,548.94, 864,635.34 and 340,069.02 is: 469,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,548.94 : 864,635.34 = 340,069.02 : x
  2. Step 2: Convert to fraction form
    626,548.94/864,635.34 = 340,069.02/x
  3. Step 3: Cross multiply
    626,548.94x = 864,635.34 × 340,069.02
  4. Step 4: Simplify right side
    626,548.94x = 294,035,692,731.17
  5. Step 5: Solve for x
    x = 294,035,692,731.17/626,548.94
  6. Step 6: Final answer
    x = 469,294.06

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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.