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Finding the Fourth Proportional to 548,491.20, 822,736.80 and 524,871.60

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Solution

The fourth proportional to 548,491.20, 822,736.80 and 524,871.60 is: 787,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,491.20 : 822,736.80 = 524,871.60 : x
  2. Step 2: Convert to fraction form
    548,491.20/822,736.80 = 524,871.60/x
  3. Step 3: Cross multiply
    548,491.20x = 822,736.80 × 524,871.60
  4. Step 4: Simplify right side
    548,491.20x = 431,831,180,594.88
  5. Step 5: Solve for x
    x = 431,831,180,594.88/548,491.20
  6. Step 6: Final answer
    x = 787,307.40

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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.