Home / 718,066.86-1,077,127.62-268,740.42

Finding the Fourth Proportional to 718,066.86, 1,077,127.62 and 268,740.42

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Solution

The fourth proportional to 718,066.86, 1,077,127.62 and 268,740.42 is: 403,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,066.86 : 1,077,127.62 = 268,740.42 : x
  2. Step 2: Convert to fraction form
    718,066.86/1,077,127.62 = 268,740.42/x
  3. Step 3: Cross multiply
    718,066.86x = 1,077,127.62 × 268,740.42
  4. Step 4: Simplify right side
    718,066.86x = 289,467,728,992.40
  5. Step 5: Solve for x
    x = 289,467,728,992.40/718,066.86
  6. Step 6: Final answer
    x = 403,120.86

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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.