Home / 949,407.67-1,310,183-519,690.25

Finding the Fourth Proportional to 949,407.67, 1,310,183 and 519,690.25

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Solution

The fourth proportional to 949,407.67, 1,310,183 and 519,690.25 is: 717,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,407.67 : 1,310,183 = 519,690.25 : x
  2. Step 2: Convert to fraction form
    949,407.67/1,310,183 = 519,690.25/x
  3. Step 3: Cross multiply
    949,407.67x = 1,310,183 × 519,690.25
  4. Step 4: Simplify right side
    949,407.67x = 680,889,330,815.75
  5. Step 5: Solve for x
    x = 680,889,330,815.75/949,407.67
  6. Step 6: Final answer
    x = 717,172.77

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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.