Home / 790,357.30-1,185,538.98-191,317.44

Finding the Fourth Proportional to 790,357.30, 1,185,538.98 and 191,317.44

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Solution

The fourth proportional to 790,357.30, 1,185,538.98 and 191,317.44 is: 286,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,357.30 : 1,185,538.98 = 191,317.44 : x
  2. Step 2: Convert to fraction form
    790,357.30/1,185,538.98 = 191,317.44/x
  3. Step 3: Cross multiply
    790,357.30x = 1,185,538.98 × 191,317.44
  4. Step 4: Simplify right side
    790,357.30x = 226,814,287,837.02
  5. Step 5: Solve for x
    x = 226,814,287,837.02/790,357.30
  6. Step 6: Final answer
    x = 286,976.90

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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.