Home / 964,408.07-1,443,774.28-643,764.62

Finding the Fourth Proportional to 964,408.07, 1,443,774.28 and 643,764.62

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Solution

The fourth proportional to 964,408.07, 1,443,774.28 and 643,764.62 is: 963,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,408.07 : 1,443,774.28 = 643,764.62 : x
  2. Step 2: Convert to fraction form
    964,408.07/1,443,774.28 = 643,764.62/x
  3. Step 3: Cross multiply
    964,408.07x = 1,443,774.28 × 643,764.62
  4. Step 4: Simplify right side
    964,408.07x = 929,450,790,292.28
  5. Step 5: Solve for x
    x = 929,450,790,292.28/964,408.07
  6. Step 6: Final answer
    x = 963,752.61

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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.