Home / 949,210.45-1,309,912.56-519,518.27

Finding the Fourth Proportional to 949,210.45, 1,309,912.56 and 519,518.27

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Solution

The fourth proportional to 949,210.45, 1,309,912.56 and 519,518.27 is: 716,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,210.45 : 1,309,912.56 = 519,518.27 : x
  2. Step 2: Convert to fraction form
    949,210.45/1,309,912.56 = 519,518.27/x
  3. Step 3: Cross multiply
    949,210.45x = 1,309,912.56 × 519,518.27
  4. Step 4: Simplify right side
    949,210.45x = 680,523,510,297.25
  5. Step 5: Solve for x
    x = 680,523,510,297.25/949,210.45
  6. Step 6: Final answer
    x = 716,936.39

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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.