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Finding the Fourth Proportional to 486,003.10, 729,004.65 and 366,252.70

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Solution

The fourth proportional to 486,003.10, 729,004.65 and 366,252.70 is: 549,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,003.10 : 729,004.65 = 366,252.70 : x
  2. Step 2: Convert to fraction form
    486,003.10/729,004.65 = 366,252.70/x
  3. Step 3: Cross multiply
    486,003.10x = 729,004.65 × 366,252.70
  4. Step 4: Simplify right side
    486,003.10x = 266,999,921,375.06
  5. Step 5: Solve for x
    x = 266,999,921,375.06/486,003.10
  6. Step 6: Final answer
    x = 549,379.05

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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.