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Finding the Fourth Proportional to 540,062.70, 808,538.85 and 330,110.70

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Solution

The fourth proportional to 540,062.70, 808,538.85 and 330,110.70 is: 494,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,062.70 : 808,538.85 = 330,110.70 : x
  2. Step 2: Convert to fraction form
    540,062.70/808,538.85 = 330,110.70/x
  3. Step 3: Cross multiply
    540,062.70x = 808,538.85 × 330,110.70
  4. Step 4: Simplify right side
    540,062.70x = 266,907,325,750.70
  5. Step 5: Solve for x
    x = 266,907,325,750.70/540,062.70
  6. Step 6: Final answer
    x = 494,215.44

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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.