Home / 949,411.78-1,310,185.68-513,829.88

Finding the Fourth Proportional to 949,411.78, 1,310,185.68 and 513,829.88

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Solution

The fourth proportional to 949,411.78, 1,310,185.68 and 513,829.88 is: 709,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,411.78 : 1,310,185.68 = 513,829.88 : x
  2. Step 2: Convert to fraction form
    949,411.78/1,310,185.68 = 513,829.88/x
  3. Step 3: Cross multiply
    949,411.78x = 1,310,185.68 × 513,829.88
  4. Step 4: Simplify right side
    949,411.78x = 673,212,550,057.82
  5. Step 5: Solve for x
    x = 673,212,550,057.82/949,411.78
  6. Step 6: Final answer
    x = 709,083.84

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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.