Home / 644,020.42-964,956.02-283,654.66

Finding the Fourth Proportional to 644,020.42, 964,956.02 and 283,654.66

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Solution

The fourth proportional to 644,020.42, 964,956.02 and 283,654.66 is: 425,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,020.42 : 964,956.02 = 283,654.66 : x
  2. Step 2: Convert to fraction form
    644,020.42/964,956.02 = 283,654.66/x
  3. Step 3: Cross multiply
    644,020.42x = 964,956.02 × 283,654.66
  4. Step 4: Simplify right side
    644,020.42x = 273,714,271,768.05
  5. Step 5: Solve for x
    x = 273,714,271,768.05/644,020.42
  6. Step 6: Final answer
    x = 425,008.68

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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.