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Finding the Fourth Proportional to 647,530.55, 970,907.03 and 332,602.55

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Solution

The fourth proportional to 647,530.55, 970,907.03 and 332,602.55 is: 498,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,530.55 : 970,907.03 = 332,602.55 : x
  2. Step 2: Convert to fraction form
    647,530.55/970,907.03 = 332,602.55/x
  3. Step 3: Cross multiply
    647,530.55x = 970,907.03 × 332,602.55
  4. Step 4: Simplify right side
    647,530.55x = 322,926,152,327.91
  5. Step 5: Solve for x
    x = 322,926,152,327.91/647,530.55
  6. Step 6: Final answer
    x = 498,704.12

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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.