Home / 695,308.60-1,043,125.64-215,511.34

Finding the Fourth Proportional to 695,308.60, 1,043,125.64 and 215,511.34

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Solution

The fourth proportional to 695,308.60, 1,043,125.64 and 215,511.34 is: 323,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,308.60 : 1,043,125.64 = 215,511.34 : x
  2. Step 2: Convert to fraction form
    695,308.60/1,043,125.64 = 215,511.34/x
  3. Step 3: Cross multiply
    695,308.60x = 1,043,125.64 × 215,511.34
  4. Step 4: Simplify right side
    695,308.60x = 224,805,404,464.76
  5. Step 5: Solve for x
    x = 224,805,404,464.76/695,308.60
  6. Step 6: Final answer
    x = 323,317.45

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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.