Home / 887,431.68-1,330,187.52-354,366.72

Finding the Fourth Proportional to 887,431.68, 1,330,187.52 and 354,366.72

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Solution

The fourth proportional to 887,431.68, 1,330,187.52 and 354,366.72 is: 531,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,431.68 : 1,330,187.52 = 354,366.72 : x
  2. Step 2: Convert to fraction form
    887,431.68/1,330,187.52 = 354,366.72/x
  3. Step 3: Cross multiply
    887,431.68x = 1,330,187.52 × 354,366.72
  4. Step 4: Simplify right side
    887,431.68x = 471,374,188,447.33
  5. Step 5: Solve for x
    x = 471,374,188,447.33/887,431.68
  6. Step 6: Final answer
    x = 531,166.74

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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.