Home / 784,930.56-1,175,819.39-357,878.94

Finding the Fourth Proportional to 784,930.56, 1,175,819.39 and 357,878.94

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Solution

The fourth proportional to 784,930.56, 1,175,819.39 and 357,878.94 is: 536,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,930.56 : 1,175,819.39 = 357,878.94 : x
  2. Step 2: Convert to fraction form
    784,930.56/1,175,819.39 = 357,878.94/x
  3. Step 3: Cross multiply
    784,930.56x = 1,175,819.39 × 357,878.94
  4. Step 4: Simplify right side
    784,930.56x = 420,801,001,054.46
  5. Step 5: Solve for x
    x = 420,801,001,054.46/784,930.56
  6. Step 6: Final answer
    x = 536,099.65

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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.