Home / 778,441.37-1,166,098.86-387,771.11

Finding the Fourth Proportional to 778,441.37, 1,166,098.86 and 387,771.11

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Solution

The fourth proportional to 778,441.37, 1,166,098.86 and 387,771.11 is: 580,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,441.37 : 1,166,098.86 = 387,771.11 : x
  2. Step 2: Convert to fraction form
    778,441.37/1,166,098.86 = 387,771.11/x
  3. Step 3: Cross multiply
    778,441.37x = 1,166,098.86 × 387,771.11
  4. Step 4: Simplify right side
    778,441.37x = 452,179,447,854.31
  5. Step 5: Solve for x
    x = 452,179,447,854.31/778,441.37
  6. Step 6: Final answer
    x = 580,877.98

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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.