Home / 855,869.10-1,283,802.44-256,829.28

Finding the Fourth Proportional to 855,869.10, 1,283,802.44 and 256,829.28

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Solution

The fourth proportional to 855,869.10, 1,283,802.44 and 256,829.28 is: 385,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,869.10 : 1,283,802.44 = 256,829.28 : x
  2. Step 2: Convert to fraction form
    855,869.10/1,283,802.44 = 256,829.28/x
  3. Step 3: Cross multiply
    855,869.10x = 1,283,802.44 × 256,829.28
  4. Step 4: Simplify right side
    855,869.10x = 329,718,055,043.30
  5. Step 5: Solve for x
    x = 329,718,055,043.30/855,869.10
  6. Step 6: Final answer
    x = 385,243.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.