Home / 790,398.32-1,185,819.52-317,415.84

Finding the Fourth Proportional to 790,398.32, 1,185,819.52 and 317,415.84

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Solution

The fourth proportional to 790,398.32, 1,185,819.52 and 317,415.84 is: 476,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,398.32 : 1,185,819.52 = 317,415.84 : x
  2. Step 2: Convert to fraction form
    790,398.32/1,185,819.52 = 317,415.84/x
  3. Step 3: Cross multiply
    790,398.32x = 1,185,819.52 × 317,415.84
  4. Step 4: Simplify right side
    790,398.32x = 376,397,899,029.20
  5. Step 5: Solve for x
    x = 376,397,899,029.20/790,398.32
  6. Step 6: Final answer
    x = 476,212.93

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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.