Home / 664,013.72-916,337.04-362,205.56

Finding the Fourth Proportional to 664,013.72, 916,337.04 and 362,205.56

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Solution

The fourth proportional to 664,013.72, 916,337.04 and 362,205.56 is: 499,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,013.72 : 916,337.04 = 362,205.56 : x
  2. Step 2: Convert to fraction form
    664,013.72/916,337.04 = 362,205.56/x
  3. Step 3: Cross multiply
    664,013.72x = 916,337.04 × 362,205.56
  4. Step 4: Simplify right side
    664,013.72x = 331,902,371,654.51
  5. Step 5: Solve for x
    x = 331,902,371,654.51/664,013.72
  6. Step 6: Final answer
    x = 499,842.64

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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.