Home / 671,028.82-925,714.60-398,942.35

Finding the Fourth Proportional to 671,028.82, 925,714.60 and 398,942.35

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Solution

The fourth proportional to 671,028.82, 925,714.60 and 398,942.35 is: 550,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,028.82 : 925,714.60 = 398,942.35 : x
  2. Step 2: Convert to fraction form
    671,028.82/925,714.60 = 398,942.35/x
  3. Step 3: Cross multiply
    671,028.82x = 925,714.60 × 398,942.35
  4. Step 4: Simplify right side
    671,028.82x = 369,306,757,953.31
  5. Step 5: Solve for x
    x = 369,306,757,953.31/671,028.82
  6. Step 6: Final answer
    x = 550,359.01

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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.