Home / 663,853.20-995,664.60-242,912.40

Finding the Fourth Proportional to 663,853.20, 995,664.60 and 242,912.40

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Solution

The fourth proportional to 663,853.20, 995,664.60 and 242,912.40 is: 364,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,853.20 : 995,664.60 = 242,912.40 : x
  2. Step 2: Convert to fraction form
    663,853.20/995,664.60 = 242,912.40/x
  3. Step 3: Cross multiply
    663,853.20x = 995,664.60 × 242,912.40
  4. Step 4: Simplify right side
    663,853.20x = 241,859,277,581.04
  5. Step 5: Solve for x
    x = 241,859,277,581.04/663,853.20
  6. Step 6: Final answer
    x = 364,326.45

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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.