Home / 815,155.36-1,124,949.53-452,579.25

Finding the Fourth Proportional to 815,155.36, 1,124,949.53 and 452,579.25

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Solution

The fourth proportional to 815,155.36, 1,124,949.53 and 452,579.25 is: 624,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,155.36 : 1,124,949.53 = 452,579.25 : x
  2. Step 2: Convert to fraction form
    815,155.36/1,124,949.53 = 452,579.25/x
  3. Step 3: Cross multiply
    815,155.36x = 1,124,949.53 × 452,579.25
  4. Step 4: Simplify right side
    815,155.36x = 509,128,813,597.42
  5. Step 5: Solve for x
    x = 509,128,813,597.42/815,155.36
  6. Step 6: Final answer
    x = 624,578.87

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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.