Home / 505,779.10-698,074.79-301,727.89

Finding the Fourth Proportional to 505,779.10, 698,074.79 and 301,727.89

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Solution

The fourth proportional to 505,779.10, 698,074.79 and 301,727.89 is: 416,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,779.10 : 698,074.79 = 301,727.89 : x
  2. Step 2: Convert to fraction form
    505,779.10/698,074.79 = 301,727.89/x
  3. Step 3: Cross multiply
    505,779.10x = 698,074.79 × 301,727.89
  4. Step 4: Simplify right side
    505,779.10x = 210,628,633,448.89
  5. Step 5: Solve for x
    x = 210,628,633,448.89/505,779.10
  6. Step 6: Final answer
    x = 416,443.92

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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.