Home / 756,355.28-1,043,792.16-416,845.40

Finding the Fourth Proportional to 756,355.28, 1,043,792.16 and 416,845.40

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Solution

The fourth proportional to 756,355.28, 1,043,792.16 and 416,845.40 is: 575,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,355.28 : 1,043,792.16 = 416,845.40 : x
  2. Step 2: Convert to fraction form
    756,355.28/1,043,792.16 = 416,845.40/x
  3. Step 3: Cross multiply
    756,355.28x = 1,043,792.16 × 416,845.40
  4. Step 4: Simplify right side
    756,355.28x = 435,099,960,452.06
  5. Step 5: Solve for x
    x = 435,099,960,452.06/756,355.28
  6. Step 6: Final answer
    x = 575,258.71

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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.