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Finding the Fourth Proportional to 580,287.47, 800,854.23 and 325,639.67

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Solution

The fourth proportional to 580,287.47, 800,854.23 and 325,639.67 is: 449,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,287.47 : 800,854.23 = 325,639.67 : x
  2. Step 2: Convert to fraction form
    580,287.47/800,854.23 = 325,639.67/x
  3. Step 3: Cross multiply
    580,287.47x = 800,854.23 × 325,639.67
  4. Step 4: Simplify right side
    580,287.47x = 260,789,903,171.03
  5. Step 5: Solve for x
    x = 260,789,903,171.03/580,287.47
  6. Step 6: Final answer
    x = 449,415.02

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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.