Home / 790,084.36-1,185,790.20-341,144.56

Finding the Fourth Proportional to 790,084.36, 1,185,790.20 and 341,144.56

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Solution

The fourth proportional to 790,084.36, 1,185,790.20 and 341,144.56 is: 512,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,084.36 : 1,185,790.20 = 341,144.56 : x
  2. Step 2: Convert to fraction form
    790,084.36/1,185,790.20 = 341,144.56/x
  3. Step 3: Cross multiply
    790,084.36x = 1,185,790.20 × 341,144.56
  4. Step 4: Simplify right side
    790,084.36x = 404,525,876,031.31
  5. Step 5: Solve for x
    x = 404,525,876,031.31/790,084.36
  6. Step 6: Final answer
    x = 512,003.40

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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.