Home / 834,495.83-1,252,257.69-328,970.78

Finding the Fourth Proportional to 834,495.83, 1,252,257.69 and 328,970.78

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Solution

The fourth proportional to 834,495.83, 1,252,257.69 and 328,970.78 is: 493,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,495.83 : 1,252,257.69 = 328,970.78 : x
  2. Step 2: Convert to fraction form
    834,495.83/1,252,257.69 = 328,970.78/x
  3. Step 3: Cross multiply
    834,495.83x = 1,252,257.69 × 328,970.78
  4. Step 4: Simplify right side
    834,495.83x = 411,956,188,708.62
  5. Step 5: Solve for x
    x = 411,956,188,708.62/834,495.83
  6. Step 6: Final answer
    x = 493,658.78

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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.