Home / 992,369.40-1,489,331.70-459,956.40

Finding the Fourth Proportional to 992,369.40, 1,489,331.70 and 459,956.40

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Solution

The fourth proportional to 992,369.40, 1,489,331.70 and 459,956.40 is: 690,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,369.40 : 1,489,331.70 = 459,956.40 : x
  2. Step 2: Convert to fraction form
    992,369.40/1,489,331.70 = 459,956.40/x
  3. Step 3: Cross multiply
    992,369.40x = 1,489,331.70 × 459,956.40
  4. Step 4: Simplify right side
    992,369.40x = 685,027,647,137.88
  5. Step 5: Solve for x
    x = 685,027,647,137.88/992,369.40
  6. Step 6: Final answer
    x = 690,295.01

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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.