Home / 558,387.05-835,466.94-330,804.86

Finding the Fourth Proportional to 558,387.05, 835,466.94 and 330,804.86

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Solution

The fourth proportional to 558,387.05, 835,466.94 and 330,804.86 is: 494,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,387.05 : 835,466.94 = 330,804.86 : x
  2. Step 2: Convert to fraction form
    558,387.05/835,466.94 = 330,804.86/x
  3. Step 3: Cross multiply
    558,387.05x = 835,466.94 × 330,804.86
  4. Step 4: Simplify right side
    558,387.05x = 276,376,519,943.99
  5. Step 5: Solve for x
    x = 276,376,519,943.99/558,387.05
  6. Step 6: Final answer
    x = 494,955.11

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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.