Home / 930,907.90-1,396,033.80-331,888.60

Finding the Fourth Proportional to 930,907.90, 1,396,033.80 and 331,888.60

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Solution

The fourth proportional to 930,907.90, 1,396,033.80 and 331,888.60 is: 497,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,907.90 : 1,396,033.80 = 331,888.60 : x
  2. Step 2: Convert to fraction form
    930,907.90/1,396,033.80 = 331,888.60/x
  3. Step 3: Cross multiply
    930,907.90x = 1,396,033.80 × 331,888.60
  4. Step 4: Simplify right side
    930,907.90x = 463,327,703,434.68
  5. Step 5: Solve for x
    x = 463,327,703,434.68/930,907.90
  6. Step 6: Final answer
    x = 497,715.94

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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.