Home / 465,306.88-696,582.48-287,241.36

Finding the Fourth Proportional to 465,306.88, 696,582.48 and 287,241.36

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Solution

The fourth proportional to 465,306.88, 696,582.48 and 287,241.36 is: 430,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,306.88 : 696,582.48 = 287,241.36 : x
  2. Step 2: Convert to fraction form
    465,306.88/696,582.48 = 287,241.36/x
  3. Step 3: Cross multiply
    465,306.88x = 696,582.48 × 287,241.36
  4. Step 4: Simplify right side
    465,306.88x = 200,087,298,907.37
  5. Step 5: Solve for x
    x = 200,087,298,907.37/465,306.88
  6. Step 6: Final answer
    x = 430,011.48

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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.