Home / 778,417.37-1,167,783.60-329,137.50

Finding the Fourth Proportional to 778,417.37, 1,167,783.60 and 329,137.50

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Solution

The fourth proportional to 778,417.37, 1,167,783.60 and 329,137.50 is: 493,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,417.37 : 1,167,783.60 = 329,137.50 : x
  2. Step 2: Convert to fraction form
    778,417.37/1,167,783.60 = 329,137.50/x
  3. Step 3: Cross multiply
    778,417.37x = 1,167,783.60 × 329,137.50
  4. Step 4: Simplify right side
    778,417.37x = 384,361,374,645.00
  5. Step 5: Solve for x
    x = 384,361,374,645.00/778,417.37
  6. Step 6: Final answer
    x = 493,772.87

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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.