Home / 832,399.11-1,148,716.08-488,164.86

Finding the Fourth Proportional to 832,399.11, 1,148,716.08 and 488,164.86

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Solution

The fourth proportional to 832,399.11, 1,148,716.08 and 488,164.86 is: 673,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,399.11 : 1,148,716.08 = 488,164.86 : x
  2. Step 2: Convert to fraction form
    832,399.11/1,148,716.08 = 488,164.86/x
  3. Step 3: Cross multiply
    832,399.11x = 1,148,716.08 × 488,164.86
  4. Step 4: Simplify right side
    832,399.11x = 560,762,824,372.95
  5. Step 5: Solve for x
    x = 560,762,824,372.95/832,399.11
  6. Step 6: Final answer
    x = 673,670.62

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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.