Home / 948,274.64-1,309,696.82-637,636.81

Finding the Fourth Proportional to 948,274.64, 1,309,696.82 and 637,636.81

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Solution

The fourth proportional to 948,274.64, 1,309,696.82 and 637,636.81 is: 880,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,274.64 : 1,309,696.82 = 637,636.81 : x
  2. Step 2: Convert to fraction form
    948,274.64/1,309,696.82 = 637,636.81/x
  3. Step 3: Cross multiply
    948,274.64x = 1,309,696.82 × 637,636.81
  4. Step 4: Simplify right side
    948,274.64x = 835,110,902,371.94
  5. Step 5: Solve for x
    x = 835,110,902,371.94/948,274.64
  6. Step 6: Final answer
    x = 880,663.54

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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.