Home / 790,305.30-1,185,458.01-191,266.56

Finding the Fourth Proportional to 790,305.30, 1,185,458.01 and 191,266.56

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Solution

The fourth proportional to 790,305.30, 1,185,458.01 and 191,266.56 is: 286,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,305.30 : 1,185,458.01 = 191,266.56 : x
  2. Step 2: Convert to fraction form
    790,305.30/1,185,458.01 = 191,266.56/x
  3. Step 3: Cross multiply
    790,305.30x = 1,185,458.01 × 191,266.56
  4. Step 4: Simplify right side
    790,305.30x = 226,738,475,597.15
  5. Step 5: Solve for x
    x = 226,738,475,597.15/790,305.30
  6. Step 6: Final answer
    x = 286,899.85

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Double scale
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Similar ratio
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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.