Home / 711,950.80-1,067,926.20-213,314.80

Finding the Fourth Proportional to 711,950.80, 1,067,926.20 and 213,314.80

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Solution

The fourth proportional to 711,950.80, 1,067,926.20 and 213,314.80 is: 319,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,950.80 : 1,067,926.20 = 213,314.80 : x
  2. Step 2: Convert to fraction form
    711,950.80/1,067,926.20 = 213,314.80/x
  3. Step 3: Cross multiply
    711,950.80x = 1,067,926.20 × 213,314.80
  4. Step 4: Simplify right side
    711,950.80x = 227,804,463,767.76
  5. Step 5: Solve for x
    x = 227,804,463,767.76/711,950.80
  6. Step 6: Final answer
    x = 319,972.20

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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.