Home / 848,512.56-1,272,435.32-308,640.67

Finding the Fourth Proportional to 848,512.56, 1,272,435.32 and 308,640.67

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Solution

The fourth proportional to 848,512.56, 1,272,435.32 and 308,640.67 is: 462,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,512.56 : 1,272,435.32 = 308,640.67 : x
  2. Step 2: Convert to fraction form
    848,512.56/1,272,435.32 = 308,640.67/x
  3. Step 3: Cross multiply
    848,512.56x = 1,272,435.32 × 308,640.67
  4. Step 4: Simplify right side
    848,512.56x = 392,725,288,153.26
  5. Step 5: Solve for x
    x = 392,725,288,153.26/848,512.56
  6. Step 6: Final answer
    x = 462,839.69

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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.