Home / 672,783.36-1,008,802.80-267,565.20

Finding the Fourth Proportional to 672,783.36, 1,008,802.80 and 267,565.20

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Solution

The fourth proportional to 672,783.36, 1,008,802.80 and 267,565.20 is: 401,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,783.36 : 1,008,802.80 = 267,565.20 : x
  2. Step 2: Convert to fraction form
    672,783.36/1,008,802.80 = 267,565.20/x
  3. Step 3: Cross multiply
    672,783.36x = 1,008,802.80 × 267,565.20
  4. Step 4: Simplify right side
    672,783.36x = 269,920,522,942.56
  5. Step 5: Solve for x
    x = 269,920,522,942.56/672,783.36
  6. Step 6: Final answer
    x = 401,199.76

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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.