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Finding the Fourth Proportional to 653,375.61, 901,635.03 and 366,907.77

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Solution

The fourth proportional to 653,375.61, 901,635.03 and 366,907.77 is: 506,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,375.61 : 901,635.03 = 366,907.77 : x
  2. Step 2: Convert to fraction form
    653,375.61/901,635.03 = 366,907.77/x
  3. Step 3: Cross multiply
    653,375.61x = 901,635.03 × 366,907.77
  4. Step 4: Simplify right side
    653,375.61x = 330,816,898,211.18
  5. Step 5: Solve for x
    x = 330,816,898,211.18/653,375.61
  6. Step 6: Final answer
    x = 506,319.63

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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.