Home / 736,078.80-1,103,340.60-419,854.80

Finding the Fourth Proportional to 736,078.80, 1,103,340.60 and 419,854.80

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Solution

The fourth proportional to 736,078.80, 1,103,340.60 and 419,854.80 is: 629,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,078.80 : 1,103,340.60 = 419,854.80 : x
  2. Step 2: Convert to fraction form
    736,078.80/1,103,340.60 = 419,854.80/x
  3. Step 3: Cross multiply
    736,078.80x = 1,103,340.60 × 419,854.80
  4. Step 4: Simplify right side
    736,078.80x = 463,242,846,944.88
  5. Step 5: Solve for x
    x = 463,242,846,944.88/736,078.80
  6. Step 6: Final answer
    x = 629,338.66

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1.5x scale

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.