Home / 837,970.52-1,256,958.20-305,490.69

Finding the Fourth Proportional to 837,970.52, 1,256,958.20 and 305,490.69

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Solution

The fourth proportional to 837,970.52, 1,256,958.20 and 305,490.69 is: 458,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,970.52 : 1,256,958.20 = 305,490.69 : x
  2. Step 2: Convert to fraction form
    837,970.52/1,256,958.20 = 305,490.69/x
  3. Step 3: Cross multiply
    837,970.52x = 1,256,958.20 × 305,490.69
  4. Step 4: Simplify right side
    837,970.52x = 383,989,028,582.89
  5. Step 5: Solve for x
    x = 383,989,028,582.89/837,970.52
  6. Step 6: Final answer
    x = 458,236.92

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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.