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Finding the Fourth Proportional to 648,006.64, 894,249.72 and 361,526.77

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Solution

The fourth proportional to 648,006.64, 894,249.72 and 361,526.77 is: 498,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,006.64 : 894,249.72 = 361,526.77 : x
  2. Step 2: Convert to fraction form
    648,006.64/894,249.72 = 361,526.77/x
  3. Step 3: Cross multiply
    648,006.64x = 894,249.72 × 361,526.77
  4. Step 4: Simplify right side
    648,006.64x = 323,295,212,845.00
  5. Step 5: Solve for x
    x = 323,295,212,845.00/648,006.64
  6. Step 6: Final answer
    x = 498,907.25

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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.