Home / 672,925.82-1,009,388.61-199,607.07

Finding the Fourth Proportional to 672,925.82, 1,009,388.61 and 199,607.07

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Solution

The fourth proportional to 672,925.82, 1,009,388.61 and 199,607.07 is: 299,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,925.82 : 1,009,388.61 = 199,607.07 : x
  2. Step 2: Convert to fraction form
    672,925.82/1,009,388.61 = 199,607.07/x
  3. Step 3: Cross multiply
    672,925.82x = 1,009,388.61 × 199,607.07
  4. Step 4: Simplify right side
    672,925.82x = 201,481,102,933.47
  5. Step 5: Solve for x
    x = 201,481,102,933.47/672,925.82
  6. Step 6: Final answer
    x = 299,410.57

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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.