Home / 677,219.60-1,014,907.80-479,997.20

Finding the Fourth Proportional to 677,219.60, 1,014,907.80 and 479,997.20

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Solution

The fourth proportional to 677,219.60, 1,014,907.80 and 479,997.20 is: 719,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,219.60 : 1,014,907.80 = 479,997.20 : x
  2. Step 2: Convert to fraction form
    677,219.60/1,014,907.80 = 479,997.20/x
  3. Step 3: Cross multiply
    677,219.60x = 1,014,907.80 × 479,997.20
  4. Step 4: Simplify right side
    677,219.60x = 487,152,902,258.16
  5. Step 5: Solve for x
    x = 487,152,902,258.16/677,219.60
  6. Step 6: Final answer
    x = 719,342.59

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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.