Home / 873,457.31-1,310,185.97-242,371.32

Finding the Fourth Proportional to 873,457.31, 1,310,185.97 and 242,371.32

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Solution

The fourth proportional to 873,457.31, 1,310,185.97 and 242,371.32 is: 363,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,457.31 : 1,310,185.97 = 242,371.32 : x
  2. Step 2: Convert to fraction form
    873,457.31/1,310,185.97 = 242,371.32/x
  3. Step 3: Cross multiply
    873,457.31x = 1,310,185.97 × 242,371.32
  4. Step 4: Simplify right side
    873,457.31x = 317,551,501,782.52
  5. Step 5: Solve for x
    x = 317,551,501,782.52/873,457.31
  6. Step 6: Final answer
    x = 363,556.98

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Double scale
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Similar ratio
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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.