Home / 504,619.38-696,379.95-278,272.98

Finding the Fourth Proportional to 504,619.38, 696,379.95 and 278,272.98

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Solution

The fourth proportional to 504,619.38, 696,379.95 and 278,272.98 is: 384,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,619.38 : 696,379.95 = 278,272.98 : x
  2. Step 2: Convert to fraction form
    504,619.38/696,379.95 = 278,272.98/x
  3. Step 3: Cross multiply
    504,619.38x = 696,379.95 × 278,272.98
  4. Step 4: Simplify right side
    504,619.38x = 193,783,723,898.75
  5. Step 5: Solve for x
    x = 193,783,723,898.75/504,619.38
  6. Step 6: Final answer
    x = 384,019.58

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1.5x scale

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.