Home / 882,783.78-1,323,257.10-409,079.58

Finding the Fourth Proportional to 882,783.78, 1,323,257.10 and 409,079.58

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Solution

The fourth proportional to 882,783.78, 1,323,257.10 and 409,079.58 is: 613,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,783.78 : 1,323,257.10 = 409,079.58 : x
  2. Step 2: Convert to fraction form
    882,783.78/1,323,257.10 = 409,079.58/x
  3. Step 3: Cross multiply
    882,783.78x = 1,323,257.10 × 409,079.58
  4. Step 4: Simplify right side
    882,783.78x = 541,317,458,700.02
  5. Step 5: Solve for x
    x = 541,317,458,700.02/882,783.78
  6. Step 6: Final answer
    x = 613,193.71

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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.