Home / 682,838.59-942,317.30-376,915.06

Finding the Fourth Proportional to 682,838.59, 942,317.30 and 376,915.06

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Solution

The fourth proportional to 682,838.59, 942,317.30 and 376,915.06 is: 520,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,838.59 : 942,317.30 = 376,915.06 : x
  2. Step 2: Convert to fraction form
    682,838.59/942,317.30 = 376,915.06/x
  3. Step 3: Cross multiply
    682,838.59x = 942,317.30 × 376,915.06
  4. Step 4: Simplify right side
    682,838.59x = 355,173,580,255.03
  5. Step 5: Solve for x
    x = 355,173,580,255.03/682,838.59
  6. Step 6: Final answer
    x = 520,142.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.