Home / 837,255.96-1,256,219.28-304,813.80

Finding the Fourth Proportional to 837,255.96, 1,256,219.28 and 304,813.80

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Solution

The fourth proportional to 837,255.96, 1,256,219.28 and 304,813.80 is: 457,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,255.96 : 1,256,219.28 = 304,813.80 : x
  2. Step 2: Convert to fraction form
    837,255.96/1,256,219.28 = 304,813.80/x
  3. Step 3: Cross multiply
    837,255.96x = 1,256,219.28 × 304,813.80
  4. Step 4: Simplify right side
    837,255.96x = 382,912,972,370.06
  5. Step 5: Solve for x
    x = 382,912,972,370.06/837,255.96
  6. Step 6: Final answer
    x = 457,342.78

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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.