Home / 980,102.92-1,352,542.16-550,383.36

Finding the Fourth Proportional to 980,102.92, 1,352,542.16 and 550,383.36

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Solution

The fourth proportional to 980,102.92, 1,352,542.16 and 550,383.36 is: 759,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,102.92 : 1,352,542.16 = 550,383.36 : x
  2. Step 2: Convert to fraction form
    980,102.92/1,352,542.16 = 550,383.36/x
  3. Step 3: Cross multiply
    980,102.92x = 1,352,542.16 × 550,383.36
  4. Step 4: Simplify right side
    980,102.92x = 744,416,698,562.46
  5. Step 5: Solve for x
    x = 744,416,698,562.46/980,102.92
  6. Step 6: Final answer
    x = 759,529.11

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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.