Home / 725,318.12-1,080,687.16-684,573.50

Finding the Fourth Proportional to 725,318.12, 1,080,687.16 and 684,573.50

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Solution

The fourth proportional to 725,318.12, 1,080,687.16 and 684,573.50 is: 1,019,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,318.12 : 1,080,687.16 = 684,573.50 : x
  2. Step 2: Convert to fraction form
    725,318.12/1,080,687.16 = 684,573.50/x
  3. Step 3: Cross multiply
    725,318.12x = 1,080,687.16 × 684,573.50
  4. Step 4: Simplify right side
    725,318.12x = 739,809,791,526.26
  5. Step 5: Solve for x
    x = 739,809,791,526.26/725,318.12
  6. Step 6: Final answer
    x = 1,019,979.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.