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Finding the Fourth Proportional to 626,533.35, 864,616.77 and 340,053.50

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Solution

The fourth proportional to 626,533.35, 864,616.77 and 340,053.50 is: 469,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,533.35 : 864,616.77 = 340,053.50 : x
  2. Step 2: Convert to fraction form
    626,533.35/864,616.77 = 340,053.50/x
  3. Step 3: Cross multiply
    626,533.35x = 864,616.77 × 340,053.50
  4. Step 4: Simplify right side
    626,533.35x = 294,015,954,474.11
  5. Step 5: Solve for x
    x = 294,015,954,474.11/626,533.35
  6. Step 6: Final answer
    x = 469,274.23

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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.