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Finding the Fourth Proportional to 525,281.22, 786,658.72 and 299,958.71

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Solution

The fourth proportional to 525,281.22, 786,658.72 and 299,958.71 is: 449,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,281.22 : 786,658.72 = 299,958.71 : x
  2. Step 2: Convert to fraction form
    525,281.22/786,658.72 = 299,958.71/x
  3. Step 3: Cross multiply
    525,281.22x = 786,658.72 × 299,958.71
  4. Step 4: Simplify right side
    525,281.22x = 235,965,131,214.20
  5. Step 5: Solve for x
    x = 235,965,131,214.20/525,281.22
  6. Step 6: Final answer
    x = 449,216.77

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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.