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Finding the Fourth Proportional to 898,654.37, 1,347,606.78 and 365,813.69

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Solution

The fourth proportional to 898,654.37, 1,347,606.78 and 365,813.69 is: 548,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,654.37 : 1,347,606.78 = 365,813.69 : x
  2. Step 2: Convert to fraction form
    898,654.37/1,347,606.78 = 365,813.69/x
  3. Step 3: Cross multiply
    898,654.37x = 1,347,606.78 × 365,813.69
  4. Step 4: Simplify right side
    898,654.37x = 492,973,002,122.78
  5. Step 5: Solve for x
    x = 492,973,002,122.78/898,654.37
  6. Step 6: Final answer
    x = 548,567.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.