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Finding the Fourth Proportional to 480,277.86, 720,416.78 and 180,825.62

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Solution

The fourth proportional to 480,277.86, 720,416.78 and 180,825.62 is: 271,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,277.86 : 720,416.78 = 180,825.62 : x
  2. Step 2: Convert to fraction form
    480,277.86/720,416.78 = 180,825.62/x
  3. Step 3: Cross multiply
    480,277.86x = 720,416.78 × 180,825.62
  4. Step 4: Simplify right side
    480,277.86x = 130,269,808,090.93
  5. Step 5: Solve for x
    x = 130,269,808,090.93/480,277.86
  6. Step 6: Final answer
    x = 271,238.42

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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.