Home / 980,813.80-1,353,630.18-598,839.40

Finding the Fourth Proportional to 980,813.80, 1,353,630.18 and 598,839.40

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Solution

The fourth proportional to 980,813.80, 1,353,630.18 and 598,839.40 is: 826,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,813.80 : 1,353,630.18 = 598,839.40 : x
  2. Step 2: Convert to fraction form
    980,813.80/1,353,630.18 = 598,839.40/x
  3. Step 3: Cross multiply
    980,813.80x = 1,353,630.18 × 598,839.40
  4. Step 4: Simplify right side
    980,813.80x = 810,607,084,813.09
  5. Step 5: Solve for x
    x = 810,607,084,813.09/980,813.80
  6. Step 6: Final answer
    x = 826,463.78

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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.