Home / 964,640.32-1,331,271.84-534,961.60

Finding the Fourth Proportional to 964,640.32, 1,331,271.84 and 534,961.60

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Solution

The fourth proportional to 964,640.32, 1,331,271.84 and 534,961.60 is: 738,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,640.32 : 1,331,271.84 = 534,961.60 : x
  2. Step 2: Convert to fraction form
    964,640.32/1,331,271.84 = 534,961.60/x
  3. Step 3: Cross multiply
    964,640.32x = 1,331,271.84 × 534,961.60
  4. Step 4: Simplify right side
    964,640.32x = 712,179,313,561.34
  5. Step 5: Solve for x
    x = 712,179,313,561.34/964,640.32
  6. Step 6: Final answer
    x = 738,284.83

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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.