Home / 980,018.40-1,352,331.27-550,200

Finding the Fourth Proportional to 980,018.40, 1,352,331.27 and 550,200

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Solution

The fourth proportional to 980,018.40, 1,352,331.27 and 550,200 is: 759,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,018.40 : 1,352,331.27 = 550,200 : x
  2. Step 2: Convert to fraction form
    980,018.40/1,352,331.27 = 550,200/x
  3. Step 3: Cross multiply
    980,018.40x = 1,352,331.27 × 550,200
  4. Step 4: Simplify right side
    980,018.40x = 744,052,664,754
  5. Step 5: Solve for x
    x = 744,052,664,754/980,018.40
  6. Step 6: Final answer
    x = 759,223.16

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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.