Home / 672,262.80-1,007,783.87-335,406.48

Finding the Fourth Proportional to 672,262.80, 1,007,783.87 and 335,406.48

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Solution

The fourth proportional to 672,262.80, 1,007,783.87 and 335,406.48 is: 502,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,262.80 : 1,007,783.87 = 335,406.48 : x
  2. Step 2: Convert to fraction form
    672,262.80/1,007,783.87 = 335,406.48/x
  3. Step 3: Cross multiply
    672,262.80x = 1,007,783.87 × 335,406.48
  4. Step 4: Simplify right side
    672,262.80x = 338,017,238,760.45
  5. Step 5: Solve for x
    x = 338,017,238,760.45/672,262.80
  6. Step 6: Final answer
    x = 502,805.21

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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.