Home / 695,448.80-1,043,864.40-340,863.20

Finding the Fourth Proportional to 695,448.80, 1,043,864.40 and 340,863.20

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Solution

The fourth proportional to 695,448.80, 1,043,864.40 and 340,863.20 is: 511,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,448.80 : 1,043,864.40 = 340,863.20 : x
  2. Step 2: Convert to fraction form
    695,448.80/1,043,864.40 = 340,863.20/x
  3. Step 3: Cross multiply
    695,448.80x = 1,043,864.40 × 340,863.20
  4. Step 4: Simplify right side
    695,448.80x = 355,814,959,750.08
  5. Step 5: Solve for x
    x = 355,814,959,750.08/695,448.80
  6. Step 6: Final answer
    x = 511,633.58

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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.