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Finding the Fourth Proportional to 664,006.60, 994,697.70 and 363,950.20

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Solution

The fourth proportional to 664,006.60, 994,697.70 and 363,950.20 is: 545,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,006.60 : 994,697.70 = 363,950.20 : x
  2. Step 2: Convert to fraction form
    664,006.60/994,697.70 = 363,950.20/x
  3. Step 3: Cross multiply
    664,006.60x = 994,697.70 × 363,950.20
  4. Step 4: Simplify right side
    664,006.60x = 362,020,426,854.54
  5. Step 5: Solve for x
    x = 362,020,426,854.54/664,006.60
  6. Step 6: Final answer
    x = 545,206.07

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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.