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Finding the Fourth Proportional to 410,821.20, 616,231.80 and 298,846.80

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Solution

The fourth proportional to 410,821.20, 616,231.80 and 298,846.80 is: 448,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,821.20 : 616,231.80 = 298,846.80 : x
  2. Step 2: Convert to fraction form
    410,821.20/616,231.80 = 298,846.80/x
  3. Step 3: Cross multiply
    410,821.20x = 616,231.80 × 298,846.80
  4. Step 4: Simplify right side
    410,821.20x = 184,158,901,488.24
  5. Step 5: Solve for x
    x = 184,158,901,488.24/410,821.20
  6. Step 6: Final answer
    x = 448,270.20

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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.