Home / 504,579.38-696,318.80-278,225.42

Finding the Fourth Proportional to 504,579.38, 696,318.80 and 278,225.42

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Solution

The fourth proportional to 504,579.38, 696,318.80 and 278,225.42 is: 383,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,579.38 : 696,318.80 = 278,225.42 : x
  2. Step 2: Convert to fraction form
    504,579.38/696,318.80 = 278,225.42/x
  3. Step 3: Cross multiply
    504,579.38x = 696,318.80 × 278,225.42
  4. Step 4: Simplify right side
    504,579.38x = 193,733,590,583.90
  5. Step 5: Solve for x
    x = 193,733,590,583.90/504,579.38
  6. Step 6: Final answer
    x = 383,950.67

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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.