Home / 965,811.20-1,448,716.80-493,419.20

Finding the Fourth Proportional to 965,811.20, 1,448,716.80 and 493,419.20

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Solution

The fourth proportional to 965,811.20, 1,448,716.80 and 493,419.20 is: 740,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,811.20 : 1,448,716.80 = 493,419.20 : x
  2. Step 2: Convert to fraction form
    965,811.20/1,448,716.80 = 493,419.20/x
  3. Step 3: Cross multiply
    965,811.20x = 1,448,716.80 × 493,419.20
  4. Step 4: Simplify right side
    965,811.20x = 714,824,684,482.56
  5. Step 5: Solve for x
    x = 714,824,684,482.56/965,811.20
  6. Step 6: Final answer
    x = 740,128.80

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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.