Home / 745,175.64-1,117,773.18-324,435.72

Finding the Fourth Proportional to 745,175.64, 1,117,773.18 and 324,435.72

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Solution

The fourth proportional to 745,175.64, 1,117,773.18 and 324,435.72 is: 486,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,175.64 : 1,117,773.18 = 324,435.72 : x
  2. Step 2: Convert to fraction form
    745,175.64/1,117,773.18 = 324,435.72/x
  3. Step 3: Cross multiply
    745,175.64x = 1,117,773.18 × 324,435.72
  4. Step 4: Simplify right side
    745,175.64x = 362,645,546,449.99
  5. Step 5: Solve for x
    x = 362,645,546,449.99/745,175.64
  6. Step 6: Final answer
    x = 486,657.81

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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.