Home / 384,869.48-577,398.07-271,238.83

Finding the Fourth Proportional to 384,869.48, 577,398.07 and 271,238.83

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Solution

The fourth proportional to 384,869.48, 577,398.07 and 271,238.83 is: 406,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,869.48 : 577,398.07 = 271,238.83 : x
  2. Step 2: Convert to fraction form
    384,869.48/577,398.07 = 271,238.83/x
  3. Step 3: Cross multiply
    384,869.48x = 577,398.07 × 271,238.83
  4. Step 4: Simplify right side
    384,869.48x = 156,612,775,846.61
  5. Step 5: Solve for x
    x = 156,612,775,846.61/384,869.48
  6. Step 6: Final answer
    x = 406,924.39

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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.