Home / 685,554.60-1,029,908.46-483,615.48

Finding the Fourth Proportional to 685,554.60, 1,029,908.46 and 483,615.48

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Solution

The fourth proportional to 685,554.60, 1,029,908.46 and 483,615.48 is: 726,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,554.60 : 1,029,908.46 = 483,615.48 : x
  2. Step 2: Convert to fraction form
    685,554.60/1,029,908.46 = 483,615.48/x
  3. Step 3: Cross multiply
    685,554.60x = 1,029,908.46 × 483,615.48
  4. Step 4: Simplify right side
    685,554.60x = 498,079,674,238.96
  5. Step 5: Solve for x
    x = 498,079,674,238.96/685,554.60
  6. Step 6: Final answer
    x = 726,535.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.