Home / 949,124.60-1,309,786.82-519,403.70

Finding the Fourth Proportional to 949,124.60, 1,309,786.82 and 519,403.70

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Solution

The fourth proportional to 949,124.60, 1,309,786.82 and 519,403.70 is: 716,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,124.60 : 1,309,786.82 = 519,403.70 : x
  2. Step 2: Convert to fraction form
    949,124.60/1,309,786.82 = 519,403.70/x
  3. Step 3: Cross multiply
    949,124.60x = 1,309,786.82 × 519,403.70
  4. Step 4: Simplify right side
    949,124.60x = 680,308,120,519.23
  5. Step 5: Solve for x
    x = 680,308,120,519.23/949,124.60
  6. Step 6: Final answer
    x = 716,774.30

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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.