Home / 711,995.89-1,067,857.75-213,359.89

Finding the Fourth Proportional to 711,995.89, 1,067,857.75 and 213,359.89

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Solution

The fourth proportional to 711,995.89, 1,067,857.75 and 213,359.89 is: 319,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,995.89 : 1,067,857.75 = 213,359.89 : x
  2. Step 2: Convert to fraction form
    711,995.89/1,067,857.75 = 213,359.89/x
  3. Step 3: Cross multiply
    711,995.89x = 1,067,857.75 × 213,359.89
  4. Step 4: Simplify right side
    711,995.89x = 227,838,012,075.65
  5. Step 5: Solve for x
    x = 227,838,012,075.65/711,995.89
  6. Step 6: Final answer
    x = 319,999.06

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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.