Home / 980,167.80-1,470,251.70-644,244.60

Finding the Fourth Proportional to 980,167.80, 1,470,251.70 and 644,244.60

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Solution

The fourth proportional to 980,167.80, 1,470,251.70 and 644,244.60 is: 966,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,167.80 : 1,470,251.70 = 644,244.60 : x
  2. Step 2: Convert to fraction form
    980,167.80/1,470,251.70 = 644,244.60/x
  3. Step 3: Cross multiply
    980,167.80x = 1,470,251.70 × 644,244.60
  4. Step 4: Simplify right side
    980,167.80x = 947,201,718,365.82
  5. Step 5: Solve for x
    x = 947,201,718,365.82/980,167.80
  6. Step 6: Final answer
    x = 966,366.90

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1.5x scale

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.