Home / 949,618.44-1,310,477.28-519,938.55

Finding the Fourth Proportional to 949,618.44, 1,310,477.28 and 519,938.55

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Solution

The fourth proportional to 949,618.44, 1,310,477.28 and 519,938.55 is: 717,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,618.44 : 1,310,477.28 = 519,938.55 : x
  2. Step 2: Convert to fraction form
    949,618.44/1,310,477.28 = 519,938.55/x
  3. Step 3: Cross multiply
    949,618.44x = 1,310,477.28 × 519,938.55
  4. Step 4: Simplify right side
    949,618.44x = 681,367,656,771.14
  5. Step 5: Solve for x
    x = 681,367,656,771.14/949,618.44
  6. Step 6: Final answer
    x = 717,517.30

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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.