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Finding the Fourth Proportional to 540,820.67, 810,455.96 and 303,665.11

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Solution

The fourth proportional to 540,820.67, 810,455.96 and 303,665.11 is: 455,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,820.67 : 810,455.96 = 303,665.11 : x
  2. Step 2: Convert to fraction form
    540,820.67/810,455.96 = 303,665.11/x
  3. Step 3: Cross multiply
    540,820.67x = 810,455.96 × 303,665.11
  4. Step 4: Simplify right side
    540,820.67x = 246,107,196,976.58
  5. Step 5: Solve for x
    x = 246,107,196,976.58/540,820.67
  6. Step 6: Final answer
    x = 455,062.49

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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.