Home / 985,965.58-1,479,111.78-346,103.29

Finding the Fourth Proportional to 985,965.58, 1,479,111.78 and 346,103.29

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Solution

The fourth proportional to 985,965.58, 1,479,111.78 and 346,103.29 is: 519,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,965.58 : 1,479,111.78 = 346,103.29 : x
  2. Step 2: Convert to fraction form
    985,965.58/1,479,111.78 = 346,103.29/x
  3. Step 3: Cross multiply
    985,965.58x = 1,479,111.78 × 346,103.29
  4. Step 4: Simplify right side
    985,965.58x = 511,925,453,335.76
  5. Step 5: Solve for x
    x = 511,925,453,335.76/985,965.58
  6. Step 6: Final answer
    x = 519,212.30

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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.