Home / 947,694.69-1,307,908.22-518,038.56

Finding the Fourth Proportional to 947,694.69, 1,307,908.22 and 518,038.56

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Solution

The fourth proportional to 947,694.69, 1,307,908.22 and 518,038.56 is: 714,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,694.69 : 1,307,908.22 = 518,038.56 : x
  2. Step 2: Convert to fraction form
    947,694.69/1,307,908.22 = 518,038.56/x
  3. Step 3: Cross multiply
    947,694.69x = 1,307,908.22 × 518,038.56
  4. Step 4: Simplify right side
    947,694.69x = 677,546,888,310.77
  5. Step 5: Solve for x
    x = 677,546,888,310.77/947,694.69
  6. Step 6: Final answer
    x = 714,942.16

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1.5x scale

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.