Home / 992,708.20-1,489,062.30-393,812.20

Finding the Fourth Proportional to 992,708.20, 1,489,062.30 and 393,812.20

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Solution

The fourth proportional to 992,708.20, 1,489,062.30 and 393,812.20 is: 590,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,708.20 : 1,489,062.30 = 393,812.20 : x
  2. Step 2: Convert to fraction form
    992,708.20/1,489,062.30 = 393,812.20/x
  3. Step 3: Cross multiply
    992,708.20x = 1,489,062.30 × 393,812.20
  4. Step 4: Simplify right side
    992,708.20x = 586,410,900,300.06
  5. Step 5: Solve for x
    x = 586,410,900,300.06/992,708.20
  6. Step 6: Final answer
    x = 590,718.30

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Similar ratio
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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.