Home / 848,289.94-1,272,435.15-398,680.66

Finding the Fourth Proportional to 848,289.94, 1,272,435.15 and 398,680.66

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Solution

The fourth proportional to 848,289.94, 1,272,435.15 and 398,680.66 is: 598,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,289.94 : 1,272,435.15 = 398,680.66 : x
  2. Step 2: Convert to fraction form
    848,289.94/1,272,435.15 = 398,680.66/x
  3. Step 3: Cross multiply
    848,289.94x = 1,272,435.15 × 398,680.66
  4. Step 4: Simplify right side
    848,289.94x = 507,295,285,409.20
  5. Step 5: Solve for x
    x = 507,295,285,409.20/848,289.94
  6. Step 6: Final answer
    x = 598,021.10

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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.