Home / 815,704.40-1,125,640.74-453,151.04

Finding the Fourth Proportional to 815,704.40, 1,125,640.74 and 453,151.04

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Solution

The fourth proportional to 815,704.40, 1,125,640.74 and 453,151.04 is: 625,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,704.40 : 1,125,640.74 = 453,151.04 : x
  2. Step 2: Convert to fraction form
    815,704.40/1,125,640.74 = 453,151.04/x
  3. Step 3: Cross multiply
    815,704.40x = 1,125,640.74 × 453,151.04
  4. Step 4: Simplify right side
    815,704.40x = 510,085,271,997.37
  5. Step 5: Solve for x
    x = 510,085,271,997.37/815,704.40
  6. Step 6: Final answer
    x = 625,331.03

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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.