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Finding the Fourth Proportional to 664,654.37, 917,218.37 and 362,848.37

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Solution

The fourth proportional to 664,654.37, 917,218.37 and 362,848.37 is: 500,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,654.37 : 917,218.37 = 362,848.37 : x
  2. Step 2: Convert to fraction form
    664,654.37/917,218.37 = 362,848.37/x
  3. Step 3: Cross multiply
    664,654.37x = 917,218.37 × 362,848.37
  4. Step 4: Simplify right side
    664,654.37x = 332,811,188,674.32
  5. Step 5: Solve for x
    x = 332,811,188,674.32/664,654.37
  6. Step 6: Final answer
    x = 500,728.20

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1.5x scale

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.