Home / 768,611.30-1,153,015.36-295,235.15

Finding the Fourth Proportional to 768,611.30, 1,153,015.36 and 295,235.15

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Solution

The fourth proportional to 768,611.30, 1,153,015.36 and 295,235.15 is: 442,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,611.30 : 1,153,015.36 = 295,235.15 : x
  2. Step 2: Convert to fraction form
    768,611.30/1,153,015.36 = 295,235.15/x
  3. Step 3: Cross multiply
    768,611.30x = 1,153,015.36 × 295,235.15
  4. Step 4: Simplify right side
    768,611.30x = 340,410,656,258.74
  5. Step 5: Solve for x
    x = 340,410,656,258.74/768,611.30
  6. Step 6: Final answer
    x = 442,890.52

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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.