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Finding the Fourth Proportional to 626,528.85, 864,610.67 and 340,048.96

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Solution

The fourth proportional to 626,528.85, 864,610.67 and 340,048.96 is: 469,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,528.85 : 864,610.67 = 340,048.96 : x
  2. Step 2: Convert to fraction form
    626,528.85/864,610.67 = 340,048.96/x
  3. Step 3: Cross multiply
    626,528.85x = 864,610.67 × 340,048.96
  4. Step 4: Simplify right side
    626,528.85x = 294,009,959,138.40
  5. Step 5: Solve for x
    x = 294,009,959,138.40/626,528.85
  6. Step 6: Final answer
    x = 469,268.03

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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.