Home / 496,914.16-685,947.56-376,089.16

Finding the Fourth Proportional to 496,914.16, 685,947.56 and 376,089.16

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Solution

The fourth proportional to 496,914.16, 685,947.56 and 376,089.16 is: 519,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,914.16 : 685,947.56 = 376,089.16 : x
  2. Step 2: Convert to fraction form
    496,914.16/685,947.56 = 376,089.16/x
  3. Step 3: Cross multiply
    496,914.16x = 685,947.56 × 376,089.16
  4. Step 4: Simplify right side
    496,914.16x = 257,977,441,644.45
  5. Step 5: Solve for x
    x = 257,977,441,644.45/496,914.16
  6. Step 6: Final answer
    x = 519,158.97

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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.