Home / 790,362.45-1,185,546.80-191,322.65

Finding the Fourth Proportional to 790,362.45, 1,185,546.80 and 191,322.65

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Solution

The fourth proportional to 790,362.45, 1,185,546.80 and 191,322.65 is: 286,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,362.45 : 1,185,546.80 = 191,322.65 : x
  2. Step 2: Convert to fraction form
    790,362.45/1,185,546.80 = 191,322.65/x
  3. Step 3: Cross multiply
    790,362.45x = 1,185,546.80 × 191,322.65
  4. Step 4: Simplify right side
    790,362.45x = 226,821,957,482.27
  5. Step 5: Solve for x
    x = 226,821,957,482.27/790,362.45
  6. Step 6: Final answer
    x = 286,984.73

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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.