Home / 837,256.96-1,256,220.78-304,814.80

Finding the Fourth Proportional to 837,256.96, 1,256,220.78 and 304,814.80

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Solution

The fourth proportional to 837,256.96, 1,256,220.78 and 304,814.80 is: 457,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,256.96 : 1,256,220.78 = 304,814.80 : x
  2. Step 2: Convert to fraction form
    837,256.96/1,256,220.78 = 304,814.80/x
  3. Step 3: Cross multiply
    837,256.96x = 1,256,220.78 × 304,814.80
  4. Step 4: Simplify right side
    837,256.96x = 382,914,685,811.54
  5. Step 5: Solve for x
    x = 382,914,685,811.54/837,256.96
  6. Step 6: Final answer
    x = 457,344.29

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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.