Home / 552,648.20-828,972.30-272,107.40

Finding the Fourth Proportional to 552,648.20, 828,972.30 and 272,107.40

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Solution

The fourth proportional to 552,648.20, 828,972.30 and 272,107.40 is: 408,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,648.20 : 828,972.30 = 272,107.40 : x
  2. Step 2: Convert to fraction form
    552,648.20/828,972.30 = 272,107.40/x
  3. Step 3: Cross multiply
    552,648.20x = 828,972.30 × 272,107.40
  4. Step 4: Simplify right side
    552,648.20x = 225,569,497,225.02
  5. Step 5: Solve for x
    x = 225,569,497,225.02/552,648.20
  6. Step 6: Final answer
    x = 408,161.10

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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.