Home / 947,895.45-1,308,096.09-518,175.51

Finding the Fourth Proportional to 947,895.45, 1,308,096.09 and 518,175.51

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Solution

The fourth proportional to 947,895.45, 1,308,096.09 and 518,175.51 is: 715,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,895.45 : 1,308,096.09 = 518,175.51 : x
  2. Step 2: Convert to fraction form
    947,895.45/1,308,096.09 = 518,175.51/x
  3. Step 3: Cross multiply
    947,895.45x = 1,308,096.09 × 518,175.51
  4. Step 4: Simplify right side
    947,895.45x = 677,823,358,564.76
  5. Step 5: Solve for x
    x = 677,823,358,564.76/947,895.45
  6. Step 6: Final answer
    x = 715,082.41

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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.