Home / 692,060.87-1,036,632.09-439,208.03

Finding the Fourth Proportional to 692,060.87, 1,036,632.09 and 439,208.03

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Solution

The fourth proportional to 692,060.87, 1,036,632.09 and 439,208.03 is: 657,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,060.87 : 1,036,632.09 = 439,208.03 : x
  2. Step 2: Convert to fraction form
    692,060.87/1,036,632.09 = 439,208.03/x
  3. Step 3: Cross multiply
    692,060.87x = 1,036,632.09 × 439,208.03
  4. Step 4: Simplify right side
    692,060.87x = 455,297,138,083.68
  5. Step 5: Solve for x
    x = 455,297,138,083.68/692,060.87
  6. Step 6: Final answer
    x = 657,885.97

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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.