Home / 540,033.20-745,231.37-298,310.57

Finding the Fourth Proportional to 540,033.20, 745,231.37 and 298,310.57

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Solution

The fourth proportional to 540,033.20, 745,231.37 and 298,310.57 is: 411,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,033.20 : 745,231.37 = 298,310.57 : x
  2. Step 2: Convert to fraction form
    540,033.20/745,231.37 = 298,310.57/x
  3. Step 3: Cross multiply
    540,033.20x = 745,231.37 × 298,310.57
  4. Step 4: Simplify right side
    540,033.20x = 222,310,389,548.87
  5. Step 5: Solve for x
    x = 222,310,389,548.87/540,033.20
  6. Step 6: Final answer
    x = 411,660.60

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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.