Home / 718,611.70-1,077,733.69-213,054.46

Finding the Fourth Proportional to 718,611.70, 1,077,733.69 and 213,054.46

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Solution

The fourth proportional to 718,611.70, 1,077,733.69 and 213,054.46 is: 319,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,611.70 : 1,077,733.69 = 213,054.46 : x
  2. Step 2: Convert to fraction form
    718,611.70/1,077,733.69 = 213,054.46/x
  3. Step 3: Cross multiply
    718,611.70x = 1,077,733.69 × 213,054.46
  4. Step 4: Simplify right side
    718,611.70x = 229,615,969,346.76
  5. Step 5: Solve for x
    x = 229,615,969,346.76/718,611.70
  6. Step 6: Final answer
    x = 319,527.18

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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.