Home / 763,538.31-1,143,563.31-364,460.04

Finding the Fourth Proportional to 763,538.31, 1,143,563.31 and 364,460.04

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Solution

The fourth proportional to 763,538.31, 1,143,563.31 and 364,460.04 is: 545,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,538.31 : 1,143,563.31 = 364,460.04 : x
  2. Step 2: Convert to fraction form
    763,538.31/1,143,563.31 = 364,460.04/x
  3. Step 3: Cross multiply
    763,538.31x = 1,143,563.31 × 364,460.04
  4. Step 4: Simplify right side
    763,538.31x = 416,783,129,705.13
  5. Step 5: Solve for x
    x = 416,783,129,705.13/763,538.31
  6. Step 6: Final answer
    x = 545,857.52

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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.