Home / 695,410.80-1,043,807.40-340,825.20

Finding the Fourth Proportional to 695,410.80, 1,043,807.40 and 340,825.20

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Solution

The fourth proportional to 695,410.80, 1,043,807.40 and 340,825.20 is: 511,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,410.80 : 1,043,807.40 = 340,825.20 : x
  2. Step 2: Convert to fraction form
    695,410.80/1,043,807.40 = 340,825.20/x
  3. Step 3: Cross multiply
    695,410.80x = 1,043,807.40 × 340,825.20
  4. Step 4: Simplify right side
    695,410.80x = 355,755,865,866.48
  5. Step 5: Solve for x
    x = 355,755,865,866.48/695,410.80
  6. Step 6: Final answer
    x = 511,576.56

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1.5x scale

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.