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Finding the Fourth Proportional to 520,552.48, 780,759.60 and 146,604.64

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Solution

The fourth proportional to 520,552.48, 780,759.60 and 146,604.64 is: 219,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,552.48 : 780,759.60 = 146,604.64 : x
  2. Step 2: Convert to fraction form
    520,552.48/780,759.60 = 146,604.64/x
  3. Step 3: Cross multiply
    520,552.48x = 780,759.60 × 146,604.64
  4. Step 4: Simplify right side
    520,552.48x = 114,462,980,084.54
  5. Step 5: Solve for x
    x = 114,462,980,084.54/520,552.48
  6. Step 6: Final answer
    x = 219,887.49

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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.