Home / 790,376.34-1,185,786.48-317,393.84

Finding the Fourth Proportional to 790,376.34, 1,185,786.48 and 317,393.84

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Solution

The fourth proportional to 790,376.34, 1,185,786.48 and 317,393.84 is: 476,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,376.34 : 1,185,786.48 = 317,393.84 : x
  2. Step 2: Convert to fraction form
    790,376.34/1,185,786.48 = 317,393.84/x
  3. Step 3: Cross multiply
    790,376.34x = 1,185,786.48 × 317,393.84
  4. Step 4: Simplify right side
    790,376.34x = 376,361,324,307.28
  5. Step 5: Solve for x
    x = 376,361,324,307.28/790,376.34
  6. Step 6: Final answer
    x = 476,179.90

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Double scale
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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.