Home / 815,506.77-1,223,292.56-254,541.27

Finding the Fourth Proportional to 815,506.77, 1,223,292.56 and 254,541.27

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Solution

The fourth proportional to 815,506.77, 1,223,292.56 and 254,541.27 is: 381,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,506.77 : 1,223,292.56 = 254,541.27 : x
  2. Step 2: Convert to fraction form
    815,506.77/1,223,292.56 = 254,541.27/x
  3. Step 3: Cross multiply
    815,506.77x = 1,223,292.56 × 254,541.27
  4. Step 4: Simplify right side
    815,506.77x = 311,378,440,531.25
  5. Step 5: Solve for x
    x = 311,378,440,531.25/815,506.77
  6. Step 6: Final answer
    x = 381,822.02

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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.