Home / 697,067.60-1,043,268.60-487,115.60

Finding the Fourth Proportional to 697,067.60, 1,043,268.60 and 487,115.60

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Solution

The fourth proportional to 697,067.60, 1,043,268.60 and 487,115.60 is: 729,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,067.60 : 1,043,268.60 = 487,115.60 : x
  2. Step 2: Convert to fraction form
    697,067.60/1,043,268.60 = 487,115.60/x
  3. Step 3: Cross multiply
    697,067.60x = 1,043,268.60 × 487,115.60
  4. Step 4: Simplify right side
    697,067.60x = 508,192,410,050.16
  5. Step 5: Solve for x
    x = 508,192,410,050.16/697,067.60
  6. Step 6: Final answer
    x = 729,043.22

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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.