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Finding the Fourth Proportional to 480,833.42, 720,613.06 and 255,709.10

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Solution

The fourth proportional to 480,833.42, 720,613.06 and 255,709.10 is: 383,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,833.42 : 720,613.06 = 255,709.10 : x
  2. Step 2: Convert to fraction form
    480,833.42/720,613.06 = 255,709.10/x
  3. Step 3: Cross multiply
    480,833.42x = 720,613.06 × 255,709.10
  4. Step 4: Simplify right side
    480,833.42x = 184,267,318,183.11
  5. Step 5: Solve for x
    x = 184,267,318,183.11/480,833.42
  6. Step 6: Final answer
    x = 383,224.86

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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.