Home / 949,619.94-1,310,479.34-519,940.04

Finding the Fourth Proportional to 949,619.94, 1,310,479.34 and 519,940.04

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Solution

The fourth proportional to 949,619.94, 1,310,479.34 and 519,940.04 is: 717,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,619.94 : 1,310,479.34 = 519,940.04 : x
  2. Step 2: Convert to fraction form
    949,619.94/1,310,479.34 = 519,940.04/x
  3. Step 3: Cross multiply
    949,619.94x = 1,310,479.34 × 519,940.04
  4. Step 4: Simplify right side
    949,619.94x = 681,370,680,458.77
  5. Step 5: Solve for x
    x = 681,370,680,458.77/949,619.94
  6. Step 6: Final answer
    x = 717,519.35

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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.