Home / 755,188.74-1,132,786.20-305,918.19

Finding the Fourth Proportional to 755,188.74, 1,132,786.20 and 305,918.19

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Solution

The fourth proportional to 755,188.74, 1,132,786.20 and 305,918.19 is: 458,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,188.74 : 1,132,786.20 = 305,918.19 : x
  2. Step 2: Convert to fraction form
    755,188.74/1,132,786.20 = 305,918.19/x
  3. Step 3: Cross multiply
    755,188.74x = 1,132,786.20 × 305,918.19
  4. Step 4: Simplify right side
    755,188.74x = 346,539,903,960.98
  5. Step 5: Solve for x
    x = 346,539,903,960.98/755,188.74
  6. Step 6: Final answer
    x = 458,878.54

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1.5x scale

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.