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Finding the Fourth Proportional to 657,112.80, 984,286.80 and 546,520.80

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Solution

The fourth proportional to 657,112.80, 984,286.80 and 546,520.80 is: 818,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,112.80 : 984,286.80 = 546,520.80 : x
  2. Step 2: Convert to fraction form
    657,112.80/984,286.80 = 546,520.80/x
  3. Step 3: Cross multiply
    657,112.80x = 984,286.80 × 546,520.80
  4. Step 4: Simplify right side
    657,112.80x = 537,933,209,365.44
  5. Step 5: Solve for x
    x = 537,933,209,365.44/657,112.80
  6. Step 6: Final answer
    x = 818,631.46

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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.