Home / 833,313.90-1,250,029.53-412,476.78

Finding the Fourth Proportional to 833,313.90, 1,250,029.53 and 412,476.78

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Solution

The fourth proportional to 833,313.90, 1,250,029.53 and 412,476.78 is: 618,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,313.90 : 1,250,029.53 = 412,476.78 : x
  2. Step 2: Convert to fraction form
    833,313.90/1,250,029.53 = 412,476.78/x
  3. Step 3: Cross multiply
    833,313.90x = 1,250,029.53 × 412,476.78
  4. Step 4: Simplify right side
    833,313.90x = 515,608,155,439.31
  5. Step 5: Solve for x
    x = 515,608,155,439.31/833,313.90
  6. Step 6: Final answer
    x = 618,744.22

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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.