Home / 884,062.24-1,220,107.01-491,634.35

Finding the Fourth Proportional to 884,062.24, 1,220,107.01 and 491,634.35

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Solution

The fourth proportional to 884,062.24, 1,220,107.01 and 491,634.35 is: 678,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,062.24 : 1,220,107.01 = 491,634.35 : x
  2. Step 2: Convert to fraction form
    884,062.24/1,220,107.01 = 491,634.35/x
  3. Step 3: Cross multiply
    884,062.24x = 1,220,107.01 × 491,634.35
  4. Step 4: Simplify right side
    884,062.24x = 599,846,521,492.75
  5. Step 5: Solve for x
    x = 599,846,521,492.75/884,062.24
  6. Step 6: Final answer
    x = 678,511.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.