Home / 545,345.48-816,381.60-331,453.23

Finding the Fourth Proportional to 545,345.48, 816,381.60 and 331,453.23

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Solution

The fourth proportional to 545,345.48, 816,381.60 and 331,453.23 is: 496,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,345.48 : 816,381.60 = 331,453.23 : x
  2. Step 2: Convert to fraction form
    545,345.48/816,381.60 = 331,453.23/x
  3. Step 3: Cross multiply
    545,345.48x = 816,381.60 × 331,453.23
  4. Step 4: Simplify right side
    545,345.48x = 270,592,318,232.57
  5. Step 5: Solve for x
    x = 270,592,318,232.57/545,345.48
  6. Step 6: Final answer
    x = 496,185.14

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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.