Home / 677,620.08-1,016,059.01-312,485.45

Finding the Fourth Proportional to 677,620.08, 1,016,059.01 and 312,485.45

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Solution

The fourth proportional to 677,620.08, 1,016,059.01 and 312,485.45 is: 468,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,620.08 : 1,016,059.01 = 312,485.45 : x
  2. Step 2: Convert to fraction form
    677,620.08/1,016,059.01 = 312,485.45/x
  3. Step 3: Cross multiply
    677,620.08x = 1,016,059.01 × 312,485.45
  4. Step 4: Simplify right side
    677,620.08x = 317,503,650,323.68
  5. Step 5: Solve for x
    x = 317,503,650,323.68/677,620.08
  6. Step 6: Final answer
    x = 468,557.03

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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.