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Finding the Fourth Proportional to 540,601.38, 745,866.18 and 377,253.54

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Solution

The fourth proportional to 540,601.38, 745,866.18 and 377,253.54 is: 520,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,601.38 : 745,866.18 = 377,253.54 : x
  2. Step 2: Convert to fraction form
    540,601.38/745,866.18 = 377,253.54/x
  3. Step 3: Cross multiply
    540,601.38x = 745,866.18 × 377,253.54
  4. Step 4: Simplify right side
    540,601.38x = 281,380,656,771.28
  5. Step 5: Solve for x
    x = 281,380,656,771.28/540,601.38
  6. Step 6: Final answer
    x = 520,495.63

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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.