Home / 460,144.20-690,330.78-365,730.60

Finding the Fourth Proportional to 460,144.20, 690,330.78 and 365,730.60

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Solution

The fourth proportional to 460,144.20, 690,330.78 and 365,730.60 is: 548,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,144.20 : 690,330.78 = 365,730.60 : x
  2. Step 2: Convert to fraction form
    460,144.20/690,330.78 = 365,730.60/x
  3. Step 3: Cross multiply
    460,144.20x = 690,330.78 × 365,730.60
  4. Step 4: Simplify right side
    460,144.20x = 252,475,090,367.87
  5. Step 5: Solve for x
    x = 252,475,090,367.87/460,144.20
  6. Step 6: Final answer
    x = 548,686.89

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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.