Home / 964,441.36-1,330,922.72-534,721.60

Finding the Fourth Proportional to 964,441.36, 1,330,922.72 and 534,721.60

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Solution

The fourth proportional to 964,441.36, 1,330,922.72 and 534,721.60 is: 737,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,441.36 : 1,330,922.72 = 534,721.60 : x
  2. Step 2: Convert to fraction form
    964,441.36/1,330,922.72 = 534,721.60/x
  3. Step 3: Cross multiply
    964,441.36x = 1,330,922.72 × 534,721.60
  4. Step 4: Simplify right side
    964,441.36x = 711,673,126,314.75
  5. Step 5: Solve for x
    x = 711,673,126,314.75/964,441.36
  6. Step 6: Final answer
    x = 737,912.28

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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.