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Finding the Fourth Proportional to 647,267.86, 893,259.89 and 360,790.02

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Solution

The fourth proportional to 647,267.86, 893,259.89 and 360,790.02 is: 497,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,267.86 : 893,259.89 = 360,790.02 : x
  2. Step 2: Convert to fraction form
    647,267.86/893,259.89 = 360,790.02/x
  3. Step 3: Cross multiply
    647,267.86x = 893,259.89 × 360,790.02
  4. Step 4: Simplify right side
    647,267.86x = 322,279,253,578.30
  5. Step 5: Solve for x
    x = 322,279,253,578.30/647,267.86
  6. Step 6: Final answer
    x = 497,907.09

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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.