Home / 979,859.26-1,352,171.10-550,157.50

Finding the Fourth Proportional to 979,859.26, 1,352,171.10 and 550,157.50

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Solution

The fourth proportional to 979,859.26, 1,352,171.10 and 550,157.50 is: 759,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,859.26 : 1,352,171.10 = 550,157.50 : x
  2. Step 2: Convert to fraction form
    979,859.26/1,352,171.10 = 550,157.50/x
  3. Step 3: Cross multiply
    979,859.26x = 1,352,171.10 × 550,157.50
  4. Step 4: Simplify right side
    979,859.26x = 743,907,071,948.25
  5. Step 5: Solve for x
    x = 743,907,071,948.25/979,859.26
  6. Step 6: Final answer
    x = 759,197.88

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1.5x scale

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.