Home / 979,858.26-1,352,169.72-550,156.50

Finding the Fourth Proportional to 979,858.26, 1,352,169.72 and 550,156.50

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Solution

The fourth proportional to 979,858.26, 1,352,169.72 and 550,156.50 is: 759,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,858.26 : 1,352,169.72 = 550,156.50 : x
  2. Step 2: Convert to fraction form
    979,858.26/1,352,169.72 = 550,156.50/x
  3. Step 3: Cross multiply
    979,858.26x = 1,352,169.72 × 550,156.50
  4. Step 4: Simplify right side
    979,858.26x = 743,904,960,561.18
  5. Step 5: Solve for x
    x = 743,904,960,561.18/979,858.26
  6. Step 6: Final answer
    x = 759,196.50

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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.