Home / 756,687.35-1,043,637.82-484,780.38

Finding the Fourth Proportional to 756,687.35, 1,043,637.82 and 484,780.38

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Solution

The fourth proportional to 756,687.35, 1,043,637.82 and 484,780.38 is: 668,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,687.35 : 1,043,637.82 = 484,780.38 : x
  2. Step 2: Convert to fraction form
    756,687.35/1,043,637.82 = 484,780.38/x
  3. Step 3: Cross multiply
    756,687.35x = 1,043,637.82 × 484,780.38
  4. Step 4: Simplify right side
    756,687.35x = 505,935,133,836.38
  5. Step 5: Solve for x
    x = 505,935,133,836.38/756,687.35
  6. Step 6: Final answer
    x = 668,618.46

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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.