Home / 814,270.86-1,123,700.01-446,745.54

Finding the Fourth Proportional to 814,270.86, 1,123,700.01 and 446,745.54

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Solution

The fourth proportional to 814,270.86, 1,123,700.01 and 446,745.54 is: 616,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,270.86 : 1,123,700.01 = 446,745.54 : x
  2. Step 2: Convert to fraction form
    814,270.86/1,123,700.01 = 446,745.54/x
  3. Step 3: Cross multiply
    814,270.86x = 1,123,700.01 × 446,745.54
  4. Step 4: Simplify right side
    814,270.86x = 502,007,967,765.46
  5. Step 5: Solve for x
    x = 502,007,967,765.46/814,270.86
  6. Step 6: Final answer
    x = 616,512.26

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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.