Home / 756,371.16-1,043,792.20-416,839.40

Finding the Fourth Proportional to 756,371.16, 1,043,792.20 and 416,839.40

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Solution

The fourth proportional to 756,371.16, 1,043,792.20 and 416,839.40 is: 575,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,371.16 : 1,043,792.20 = 416,839.40 : x
  2. Step 2: Convert to fraction form
    756,371.16/1,043,792.20 = 416,839.40/x
  3. Step 3: Cross multiply
    756,371.16x = 1,043,792.20 × 416,839.40
  4. Step 4: Simplify right side
    756,371.16x = 435,093,714,372.68
  5. Step 5: Solve for x
    x = 435,093,714,372.68/756,371.16
  6. Step 6: Final answer
    x = 575,238.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.