Home / 671,460.51-1,006,292.39-329,380.95

Finding the Fourth Proportional to 671,460.51, 1,006,292.39 and 329,380.95

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Solution

The fourth proportional to 671,460.51, 1,006,292.39 and 329,380.95 is: 493,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,460.51 : 1,006,292.39 = 329,380.95 : x
  2. Step 2: Convert to fraction form
    671,460.51/1,006,292.39 = 329,380.95/x
  3. Step 3: Cross multiply
    671,460.51x = 1,006,292.39 × 329,380.95
  4. Step 4: Simplify right side
    671,460.51x = 331,453,541,749.07
  5. Step 5: Solve for x
    x = 331,453,541,749.07/671,460.51
  6. Step 6: Final answer
    x = 493,630.73

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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.