Home / 749,544.65-1,034,371.67-405,380.49

Finding the Fourth Proportional to 749,544.65, 1,034,371.67 and 405,380.49

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Solution

The fourth proportional to 749,544.65, 1,034,371.67 and 405,380.49 is: 559,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,544.65 : 1,034,371.67 = 405,380.49 : x
  2. Step 2: Convert to fraction form
    749,544.65/1,034,371.67 = 405,380.49/x
  3. Step 3: Cross multiply
    749,544.65x = 1,034,371.67 × 405,380.49
  4. Step 4: Simplify right side
    749,544.65x = 419,314,092,399.82
  5. Step 5: Solve for x
    x = 419,314,092,399.82/749,544.65
  6. Step 6: Final answer
    x = 559,425.10

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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.