Home / 471,036.15-706,554.23-419,426.55

Finding the Fourth Proportional to 471,036.15, 706,554.23 and 419,426.55

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Solution

The fourth proportional to 471,036.15, 706,554.23 and 419,426.55 is: 629,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,036.15 : 706,554.23 = 419,426.55 : x
  2. Step 2: Convert to fraction form
    471,036.15/706,554.23 = 419,426.55/x
  3. Step 3: Cross multiply
    471,036.15x = 706,554.23 × 419,426.55
  4. Step 4: Simplify right side
    471,036.15x = 296,347,600,979.67
  5. Step 5: Solve for x
    x = 296,347,600,979.67/471,036.15
  6. Step 6: Final answer
    x = 629,139.83

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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.