Home / 964,371.40-1,330,847.85-528,828.39

Finding the Fourth Proportional to 964,371.40, 1,330,847.85 and 528,828.39

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Solution

The fourth proportional to 964,371.40, 1,330,847.85 and 528,828.39 is: 729,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,371.40 : 1,330,847.85 = 528,828.39 : x
  2. Step 2: Convert to fraction form
    964,371.40/1,330,847.85 = 528,828.39/x
  3. Step 3: Cross multiply
    964,371.40x = 1,330,847.85 × 528,828.39
  4. Step 4: Simplify right side
    964,371.40x = 703,790,124,109.03
  5. Step 5: Solve for x
    x = 703,790,124,109.03/964,371.40
  6. Step 6: Final answer
    x = 729,791.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.