Home / 711,824.40-1,067,425.52-213,071.76

Finding the Fourth Proportional to 711,824.40, 1,067,425.52 and 213,071.76

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Solution

The fourth proportional to 711,824.40, 1,067,425.52 and 213,071.76 is: 319,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,824.40 : 1,067,425.52 = 213,071.76 : x
  2. Step 2: Convert to fraction form
    711,824.40/1,067,425.52 = 213,071.76/x
  3. Step 3: Cross multiply
    711,824.40x = 1,067,425.52 × 213,071.76
  4. Step 4: Simplify right side
    711,824.40x = 227,438,233,149.96
  5. Step 5: Solve for x
    x = 227,438,233,149.96/711,824.40
  6. Step 6: Final answer
    x = 319,514.52

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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.