Home / 980,519.10-1,352,968.98-550,716.90

Finding the Fourth Proportional to 980,519.10, 1,352,968.98 and 550,716.90

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Solution

The fourth proportional to 980,519.10, 1,352,968.98 and 550,716.90 is: 759,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,519.10 : 1,352,968.98 = 550,716.90 : x
  2. Step 2: Convert to fraction form
    980,519.10/1,352,968.98 = 550,716.90/x
  3. Step 3: Cross multiply
    980,519.10x = 1,352,968.98 × 550,716.90
  4. Step 4: Simplify right side
    980,519.10x = 745,102,882,461.76
  5. Step 5: Solve for x
    x = 745,102,882,461.76/980,519.10
  6. Step 6: Final answer
    x = 759,906.55

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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.