Home / 750,919.22-1,036,269.58-406,758.90

Finding the Fourth Proportional to 750,919.22, 1,036,269.58 and 406,758.90

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Solution

The fourth proportional to 750,919.22, 1,036,269.58 and 406,758.90 is: 561,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,919.22 : 1,036,269.58 = 406,758.90 : x
  2. Step 2: Convert to fraction form
    750,919.22/1,036,269.58 = 406,758.90/x
  3. Step 3: Cross multiply
    750,919.22x = 1,036,269.58 × 406,758.90
  4. Step 4: Simplify right side
    750,919.22x = 421,511,874,464.26
  5. Step 5: Solve for x
    x = 421,511,874,464.26/750,919.22
  6. Step 6: Final answer
    x = 561,327.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.