Home / 718,803.18-1,077,890.16-269,208.84

Finding the Fourth Proportional to 718,803.18, 1,077,890.16 and 269,208.84

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Solution

The fourth proportional to 718,803.18, 1,077,890.16 and 269,208.84 is: 403,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,803.18 : 1,077,890.16 = 269,208.84 : x
  2. Step 2: Convert to fraction form
    718,803.18/1,077,890.16 = 269,208.84/x
  3. Step 3: Cross multiply
    718,803.18x = 1,077,890.16 × 269,208.84
  4. Step 4: Simplify right side
    718,803.18x = 290,177,559,621.01
  5. Step 5: Solve for x
    x = 290,177,559,621.01/718,803.18
  6. Step 6: Final answer
    x = 403,695.43

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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.