Home / 672,837.58-1,009,451.18-199,534.33

Finding the Fourth Proportional to 672,837.58, 1,009,451.18 and 199,534.33

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Solution

The fourth proportional to 672,837.58, 1,009,451.18 and 199,534.33 is: 299,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,837.58 : 1,009,451.18 = 199,534.33 : x
  2. Step 2: Convert to fraction form
    672,837.58/1,009,451.18 = 199,534.33/x
  3. Step 3: Cross multiply
    672,837.58x = 1,009,451.18 × 199,534.33
  4. Step 4: Simplify right side
    672,837.58x = 201,420,163,871.34
  5. Step 5: Solve for x
    x = 201,420,163,871.34/672,837.58
  6. Step 6: Final answer
    x = 299,359.27

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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.