Home / 985,969.92-1,479,118.29-346,107.69

Finding the Fourth Proportional to 985,969.92, 1,479,118.29 and 346,107.69

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Solution

The fourth proportional to 985,969.92, 1,479,118.29 and 346,107.69 is: 519,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,969.92 : 1,479,118.29 = 346,107.69 : x
  2. Step 2: Convert to fraction form
    985,969.92/1,479,118.29 = 346,107.69/x
  3. Step 3: Cross multiply
    985,969.92x = 1,479,118.29 × 346,107.69
  4. Step 4: Simplify right side
    985,969.92x = 511,934,214,588.65
  5. Step 5: Solve for x
    x = 511,934,214,588.65/985,969.92
  6. Step 6: Final answer
    x = 519,218.90

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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.