Home / 807,729.80-1,211,652.30-246,763.40

Finding the Fourth Proportional to 807,729.80, 1,211,652.30 and 246,763.40

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Solution

The fourth proportional to 807,729.80, 1,211,652.30 and 246,763.40 is: 370,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,729.80 : 1,211,652.30 = 246,763.40 : x
  2. Step 2: Convert to fraction form
    807,729.80/1,211,652.30 = 246,763.40/x
  3. Step 3: Cross multiply
    807,729.80x = 1,211,652.30 × 246,763.40
  4. Step 4: Simplify right side
    807,729.80x = 298,991,441,165.82
  5. Step 5: Solve for x
    x = 298,991,441,165.82/807,729.80
  6. Step 6: Final answer
    x = 370,162.70

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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.