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Finding the Fourth Proportional to 626,527.52, 864,608.81 and 340,047.64

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Solution

The fourth proportional to 626,527.52, 864,608.81 and 340,047.64 is: 469,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.52 : 864,608.81 = 340,047.64 : x
  2. Step 2: Convert to fraction form
    626,527.52/864,608.81 = 340,047.64/x
  3. Step 3: Cross multiply
    626,527.52x = 864,608.81 × 340,047.64
  4. Step 4: Simplify right side
    626,527.52x = 294,008,181,501.95
  5. Step 5: Solve for x
    x = 294,008,181,501.95/626,527.52
  6. Step 6: Final answer
    x = 469,266.19

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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.