Home / 964,645.20-1,331,213.94-534,965.04

Finding the Fourth Proportional to 964,645.20, 1,331,213.94 and 534,965.04

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Solution

The fourth proportional to 964,645.20, 1,331,213.94 and 534,965.04 is: 738,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,645.20 : 1,331,213.94 = 534,965.04 : x
  2. Step 2: Convert to fraction form
    964,645.20/1,331,213.94 = 534,965.04/x
  3. Step 3: Cross multiply
    964,645.20x = 1,331,213.94 × 534,965.04
  4. Step 4: Simplify right side
    964,645.20x = 712,152,918,660.66
  5. Step 5: Solve for x
    x = 712,152,918,660.66/964,645.20
  6. Step 6: Final answer
    x = 738,253.73

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1.5x scale

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.