Home / 704,709.60-1,054,904.40-388,197.60

Finding the Fourth Proportional to 704,709.60, 1,054,904.40 and 388,197.60

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Solution

The fourth proportional to 704,709.60, 1,054,904.40 and 388,197.60 is: 581,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,709.60 : 1,054,904.40 = 388,197.60 : x
  2. Step 2: Convert to fraction form
    704,709.60/1,054,904.40 = 388,197.60/x
  3. Step 3: Cross multiply
    704,709.60x = 1,054,904.40 × 388,197.60
  4. Step 4: Simplify right side
    704,709.60x = 409,511,356,309.44
  5. Step 5: Solve for x
    x = 409,511,356,309.44/704,709.60
  6. Step 6: Final answer
    x = 581,106.54

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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.