Home / 695,436.80-1,043,846.40-340,851.20

Finding the Fourth Proportional to 695,436.80, 1,043,846.40 and 340,851.20

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Solution

The fourth proportional to 695,436.80, 1,043,846.40 and 340,851.20 is: 511,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,436.80 : 1,043,846.40 = 340,851.20 : x
  2. Step 2: Convert to fraction form
    695,436.80/1,043,846.40 = 340,851.20/x
  3. Step 3: Cross multiply
    695,436.80x = 1,043,846.40 × 340,851.20
  4. Step 4: Simplify right side
    695,436.80x = 355,796,298,055.68
  5. Step 5: Solve for x
    x = 355,796,298,055.68/695,436.80
  6. Step 6: Final answer
    x = 511,615.57

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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.