Home / 725,409.27-1,000,257.12-496,004.31

Finding the Fourth Proportional to 725,409.27, 1,000,257.12 and 496,004.31

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Solution

The fourth proportional to 725,409.27, 1,000,257.12 and 496,004.31 is: 683,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,409.27 : 1,000,257.12 = 496,004.31 : x
  2. Step 2: Convert to fraction form
    725,409.27/1,000,257.12 = 496,004.31/x
  3. Step 3: Cross multiply
    725,409.27x = 1,000,257.12 × 496,004.31
  4. Step 4: Simplify right side
    725,409.27x = 496,131,842,628.19
  5. Step 5: Solve for x
    x = 496,131,842,628.19/725,409.27
  6. Step 6: Final answer
    x = 683,933.70

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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.