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Finding the Fourth Proportional to 444,953.60, 667,622.40 and 258,124.80

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Solution

The fourth proportional to 444,953.60, 667,622.40 and 258,124.80 is: 387,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,953.60 : 667,622.40 = 258,124.80 : x
  2. Step 2: Convert to fraction form
    444,953.60/667,622.40 = 258,124.80/x
  3. Step 3: Cross multiply
    444,953.60x = 667,622.40 × 258,124.80
  4. Step 4: Simplify right side
    444,953.60x = 172,329,898,475.52
  5. Step 5: Solve for x
    x = 172,329,898,475.52/444,953.60
  6. Step 6: Final answer
    x = 387,298.58

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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.