Home / 711,647.04-1,067,467.68-285,373.44

Finding the Fourth Proportional to 711,647.04, 1,067,467.68 and 285,373.44

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Solution

The fourth proportional to 711,647.04, 1,067,467.68 and 285,373.44 is: 428,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,647.04 : 1,067,467.68 = 285,373.44 : x
  2. Step 2: Convert to fraction form
    711,647.04/1,067,467.68 = 285,373.44/x
  3. Step 3: Cross multiply
    711,647.04x = 1,067,467.68 × 285,373.44
  4. Step 4: Simplify right side
    711,647.04x = 304,626,923,930.42
  5. Step 5: Solve for x
    x = 304,626,923,930.42/711,647.04
  6. Step 6: Final answer
    x = 428,059.01

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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.