Home / 815,506.02-1,223,291.43-254,540.52

Finding the Fourth Proportional to 815,506.02, 1,223,291.43 and 254,540.52

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Solution

The fourth proportional to 815,506.02, 1,223,291.43 and 254,540.52 is: 381,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,506.02 : 1,223,291.43 = 254,540.52 : x
  2. Step 2: Convert to fraction form
    815,506.02/1,223,291.43 = 254,540.52/x
  3. Step 3: Cross multiply
    815,506.02x = 1,223,291.43 × 254,540.52
  4. Step 4: Simplify right side
    815,506.02x = 311,377,236,703.74
  5. Step 5: Solve for x
    x = 311,377,236,703.74/815,506.02
  6. Step 6: Final answer
    x = 381,820.89

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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.