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Finding the Fourth Proportional to 663,952.80, 994,466.16 and 548,793.12

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Solution

The fourth proportional to 663,952.80, 994,466.16 and 548,793.12 is: 821,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,952.80 : 994,466.16 = 548,793.12 : x
  2. Step 2: Convert to fraction form
    663,952.80/994,466.16 = 548,793.12/x
  3. Step 3: Cross multiply
    663,952.80x = 994,466.16 × 548,793.12
  4. Step 4: Simplify right side
    663,952.80x = 545,756,186,680.82
  5. Step 5: Solve for x
    x = 545,756,186,680.82/663,952.80
  6. Step 6: Final answer
    x = 821,980.40

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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.