Home / 949,628.58-1,310,491.26-519,948.69

Finding the Fourth Proportional to 949,628.58, 1,310,491.26 and 519,948.69

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Solution

The fourth proportional to 949,628.58, 1,310,491.26 and 519,948.69 is: 717,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,628.58 : 1,310,491.26 = 519,948.69 : x
  2. Step 2: Convert to fraction form
    949,628.58/1,310,491.26 = 519,948.69/x
  3. Step 3: Cross multiply
    949,628.58x = 1,310,491.26 × 519,948.69
  4. Step 4: Simplify right side
    949,628.58x = 681,388,213,893.45
  5. Step 5: Solve for x
    x = 681,388,213,893.45/949,628.58
  6. Step 6: Final answer
    x = 717,531.28

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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.