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Finding the Fourth Proportional to 540,676.20, 746,148.88 and 295,675.38

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Solution

The fourth proportional to 540,676.20, 746,148.88 and 295,675.38 is: 408,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,676.20 : 746,148.88 = 295,675.38 : x
  2. Step 2: Convert to fraction form
    540,676.20/746,148.88 = 295,675.38/x
  3. Step 3: Cross multiply
    540,676.20x = 746,148.88 × 295,675.38
  4. Step 4: Simplify right side
    540,676.20x = 220,617,853,630.57
  5. Step 5: Solve for x
    x = 220,617,853,630.57/540,676.20
  6. Step 6: Final answer
    x = 408,040.62

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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.