Home / 957,376.63-1,321,181.60-521,798.83

Finding the Fourth Proportional to 957,376.63, 1,321,181.60 and 521,798.83

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Solution

The fourth proportional to 957,376.63, 1,321,181.60 and 521,798.83 is: 720,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,376.63 : 1,321,181.60 = 521,798.83 : x
  2. Step 2: Convert to fraction form
    957,376.63/1,321,181.60 = 521,798.83/x
  3. Step 3: Cross multiply
    957,376.63x = 1,321,181.60 × 521,798.83
  4. Step 4: Simplify right side
    957,376.63x = 689,391,003,882.63
  5. Step 5: Solve for x
    x = 689,391,003,882.63/957,376.63
  6. Step 6: Final answer
    x = 720,083.39

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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.