Home / 711,177.28-1,067,186.16-262,211.68

Finding the Fourth Proportional to 711,177.28, 1,067,186.16 and 262,211.68

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Solution

The fourth proportional to 711,177.28, 1,067,186.16 and 262,211.68 is: 393,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,177.28 : 1,067,186.16 = 262,211.68 : x
  2. Step 2: Convert to fraction form
    711,177.28/1,067,186.16 = 262,211.68/x
  3. Step 3: Cross multiply
    711,177.28x = 1,067,186.16 × 262,211.68
  4. Step 4: Simplify right side
    711,177.28x = 279,828,675,886.35
  5. Step 5: Solve for x
    x = 279,828,675,886.35/711,177.28
  6. Step 6: Final answer
    x = 393,472.46

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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.