Home / 759,548.80-1,139,999.04-404,855.68

Finding the Fourth Proportional to 759,548.80, 1,139,999.04 and 404,855.68

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Solution

The fourth proportional to 759,548.80, 1,139,999.04 and 404,855.68 is: 607,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,548.80 : 1,139,999.04 = 404,855.68 : x
  2. Step 2: Convert to fraction form
    759,548.80/1,139,999.04 = 404,855.68/x
  3. Step 3: Cross multiply
    759,548.80x = 1,139,999.04 × 404,855.68
  4. Step 4: Simplify right side
    759,548.80x = 461,535,086,538.55
  5. Step 5: Solve for x
    x = 461,535,086,538.55/759,548.80
  6. Step 6: Final answer
    x = 607,643.76

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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.