Home / 432,003.20-648,004.80-298,846.40

Finding the Fourth Proportional to 432,003.20, 648,004.80 and 298,846.40

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Solution

The fourth proportional to 432,003.20, 648,004.80 and 298,846.40 is: 448,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,003.20 : 648,004.80 = 298,846.40 : x
  2. Step 2: Convert to fraction form
    432,003.20/648,004.80 = 298,846.40/x
  3. Step 3: Cross multiply
    432,003.20x = 648,004.80 × 298,846.40
  4. Step 4: Simplify right side
    432,003.20x = 193,653,901,662.72
  5. Step 5: Solve for x
    x = 193,653,901,662.72/432,003.20
  6. Step 6: Final answer
    x = 448,269.60

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Similar ratio
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1.5x scale

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.