Home / 790,478.73-1,185,714.14-191,439.88

Finding the Fourth Proportional to 790,478.73, 1,185,714.14 and 191,439.88

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Solution

The fourth proportional to 790,478.73, 1,185,714.14 and 191,439.88 is: 287,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,478.73 : 1,185,714.14 = 191,439.88 : x
  2. Step 2: Convert to fraction form
    790,478.73/1,185,714.14 = 191,439.88/x
  3. Step 3: Cross multiply
    790,478.73x = 1,185,714.14 × 191,439.88
  4. Step 4: Simplify right side
    790,478.73x = 226,992,968,754.42
  5. Step 5: Solve for x
    x = 226,992,968,754.42/790,478.73
  6. Step 6: Final answer
    x = 287,158.86

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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.