Home / 949,063.63-1,309,707.78-519,343.81

Finding the Fourth Proportional to 949,063.63, 1,309,707.78 and 519,343.81

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Solution

The fourth proportional to 949,063.63, 1,309,707.78 and 519,343.81 is: 716,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,063.63 : 1,309,707.78 = 519,343.81 : x
  2. Step 2: Convert to fraction form
    949,063.63/1,309,707.78 = 519,343.81/x
  3. Step 3: Cross multiply
    949,063.63x = 1,309,707.78 × 519,343.81
  4. Step 4: Simplify right side
    949,063.63x = 680,188,628,451.84
  5. Step 5: Solve for x
    x = 680,188,628,451.84/949,063.63
  6. Step 6: Final answer
    x = 716,694.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.