Home / 869,620.14-1,303,819.08-383,071.38

Finding the Fourth Proportional to 869,620.14, 1,303,819.08 and 383,071.38

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Solution

The fourth proportional to 869,620.14, 1,303,819.08 and 383,071.38 is: 574,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,620.14 : 1,303,819.08 = 383,071.38 : x
  2. Step 2: Convert to fraction form
    869,620.14/1,303,819.08 = 383,071.38/x
  3. Step 3: Cross multiply
    869,620.14x = 1,303,819.08 × 383,071.38
  4. Step 4: Simplify right side
    869,620.14x = 499,455,774,245.93
  5. Step 5: Solve for x
    x = 499,455,774,245.93/869,620.14
  6. Step 6: Final answer
    x = 574,337.86

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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.