Home / 668,544.80-1,001,942.40-268,858.40

Finding the Fourth Proportional to 668,544.80, 1,001,942.40 and 268,858.40

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Solution

The fourth proportional to 668,544.80, 1,001,942.40 and 268,858.40 is: 402,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,544.80 : 1,001,942.40 = 268,858.40 : x
  2. Step 2: Convert to fraction form
    668,544.80/1,001,942.40 = 268,858.40/x
  3. Step 3: Cross multiply
    668,544.80x = 1,001,942.40 × 268,858.40
  4. Step 4: Simplify right side
    668,544.80x = 269,380,630,556.16
  5. Step 5: Solve for x
    x = 269,380,630,556.16/668,544.80
  6. Step 6: Final answer
    x = 402,935.80

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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.