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Finding the Fourth Proportional to 552,445.20, 828,230.40 and 303,127.20

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Solution

The fourth proportional to 552,445.20, 828,230.40 and 303,127.20 is: 454,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,445.20 : 828,230.40 = 303,127.20 : x
  2. Step 2: Convert to fraction form
    552,445.20/828,230.40 = 303,127.20/x
  3. Step 3: Cross multiply
    552,445.20x = 828,230.40 × 303,127.20
  4. Step 4: Simplify right side
    552,445.20x = 251,059,162,106.88
  5. Step 5: Solve for x
    x = 251,059,162,106.88/552,445.20
  6. Step 6: Final answer
    x = 454,450.80

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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.