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Finding the Fourth Proportional to 626,527.85, 864,609.29 and 340,047.96

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Solution

The fourth proportional to 626,527.85, 864,609.29 and 340,047.96 is: 469,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.85 : 864,609.29 = 340,047.96 : x
  2. Step 2: Convert to fraction form
    626,527.85/864,609.29 = 340,047.96/x
  3. Step 3: Cross multiply
    626,527.85x = 864,609.29 × 340,047.96
  4. Step 4: Simplify right side
    626,527.85x = 294,008,623,561.31
  5. Step 5: Solve for x
    x = 294,008,623,561.31/626,527.85
  6. Step 6: Final answer
    x = 469,266.65

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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.