Home / 757,810.15-1,136,928.45-331,383.42

Finding the Fourth Proportional to 757,810.15, 1,136,928.45 and 331,383.42

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Solution

The fourth proportional to 757,810.15, 1,136,928.45 and 331,383.42 is: 497,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,810.15 : 1,136,928.45 = 331,383.42 : x
  2. Step 2: Convert to fraction form
    757,810.15/1,136,928.45 = 331,383.42/x
  3. Step 3: Cross multiply
    757,810.15x = 1,136,928.45 × 331,383.42
  4. Step 4: Simplify right side
    757,810.15x = 376,759,239,298.99
  5. Step 5: Solve for x
    x = 376,759,239,298.99/757,810.15
  6. Step 6: Final answer
    x = 497,168.37

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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.