Home / 716,809.45-1,074,611.53-479,427.61

Finding the Fourth Proportional to 716,809.45, 1,074,611.53 and 479,427.61

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Solution

The fourth proportional to 716,809.45, 1,074,611.53 and 479,427.61 is: 718,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,809.45 : 1,074,611.53 = 479,427.61 : x
  2. Step 2: Convert to fraction form
    716,809.45/1,074,611.53 = 479,427.61/x
  3. Step 3: Cross multiply
    716,809.45x = 1,074,611.53 × 479,427.61
  4. Step 4: Simplify right side
    716,809.45x = 515,198,437,506.34
  5. Step 5: Solve for x
    x = 515,198,437,506.34/716,809.45
  6. Step 6: Final answer
    x = 718,738.34

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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.