Home / 893,145.60-1,339,564.80-331,891.20

Finding the Fourth Proportional to 893,145.60, 1,339,564.80 and 331,891.20

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Solution

The fourth proportional to 893,145.60, 1,339,564.80 and 331,891.20 is: 497,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,145.60 : 1,339,564.80 = 331,891.20 : x
  2. Step 2: Convert to fraction form
    893,145.60/1,339,564.80 = 331,891.20/x
  3. Step 3: Cross multiply
    893,145.60x = 1,339,564.80 × 331,891.20
  4. Step 4: Simplify right side
    893,145.60x = 444,589,768,949.76
  5. Step 5: Solve for x
    x = 444,589,768,949.76/893,145.60
  6. Step 6: Final answer
    x = 497,779.72

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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.