Home / 907,695.06-1,361,690.40-268,063.50

Finding the Fourth Proportional to 907,695.06, 1,361,690.40 and 268,063.50

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Solution

The fourth proportional to 907,695.06, 1,361,690.40 and 268,063.50 is: 402,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,695.06 : 1,361,690.40 = 268,063.50 : x
  2. Step 2: Convert to fraction form
    907,695.06/1,361,690.40 = 268,063.50/x
  3. Step 3: Cross multiply
    907,695.06x = 1,361,690.40 × 268,063.50
  4. Step 4: Simplify right side
    907,695.06x = 365,019,494,540.40
  5. Step 5: Solve for x
    x = 365,019,494,540.40/907,695.06
  6. Step 6: Final answer
    x = 402,138.90

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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.