Home / 992,493.40-1,489,517.70-460,080.40

Finding the Fourth Proportional to 992,493.40, 1,489,517.70 and 460,080.40

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Solution

The fourth proportional to 992,493.40, 1,489,517.70 and 460,080.40 is: 690,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,493.40 : 1,489,517.70 = 460,080.40 : x
  2. Step 2: Convert to fraction form
    992,493.40/1,489,517.70 = 460,080.40/x
  3. Step 3: Cross multiply
    992,493.40x = 1,489,517.70 × 460,080.40
  4. Step 4: Simplify right side
    992,493.40x = 685,297,899,223.08
  5. Step 5: Solve for x
    x = 685,297,899,223.08/992,493.40
  6. Step 6: Final answer
    x = 690,481.06

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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.