Home / 873,900.61-1,310,921.66-242,814.49

Finding the Fourth Proportional to 873,900.61, 1,310,921.66 and 242,814.49

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Solution

The fourth proportional to 873,900.61, 1,310,921.66 and 242,814.49 is: 364,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,900.61 : 1,310,921.66 = 242,814.49 : x
  2. Step 2: Convert to fraction form
    873,900.61/1,310,921.66 = 242,814.49/x
  3. Step 3: Cross multiply
    873,900.61x = 1,310,921.66 × 242,814.49
  4. Step 4: Simplify right side
    873,900.61x = 318,310,774,302.85
  5. Step 5: Solve for x
    x = 318,310,774,302.85/873,900.61
  6. Step 6: Final answer
    x = 364,241.39

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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.