Home / 800,933.90-1,201,400.85-239,968.40

Finding the Fourth Proportional to 800,933.90, 1,201,400.85 and 239,968.40

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Solution

The fourth proportional to 800,933.90, 1,201,400.85 and 239,968.40 is: 359,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,933.90 : 1,201,400.85 = 239,968.40 : x
  2. Step 2: Convert to fraction form
    800,933.90/1,201,400.85 = 239,968.40/x
  3. Step 3: Cross multiply
    800,933.90x = 1,201,400.85 × 239,968.40
  4. Step 4: Simplify right side
    800,933.90x = 288,298,239,733.14
  5. Step 5: Solve for x
    x = 288,298,239,733.14/800,933.90
  6. Step 6: Final answer
    x = 359,952.60

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Similar ratio
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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.