Home / 718,120.98-1,077,208.83-268,794.54

Finding the Fourth Proportional to 718,120.98, 1,077,208.83 and 268,794.54

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Solution

The fourth proportional to 718,120.98, 1,077,208.83 and 268,794.54 is: 403,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,120.98 : 1,077,208.83 = 268,794.54 : x
  2. Step 2: Convert to fraction form
    718,120.98/1,077,208.83 = 268,794.54/x
  3. Step 3: Cross multiply
    718,120.98x = 1,077,208.83 × 268,794.54
  4. Step 4: Simplify right side
    718,120.98x = 289,547,851,943.79
  5. Step 5: Solve for x
    x = 289,547,851,943.79/718,120.98
  6. Step 6: Final answer
    x = 403,202.05

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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.