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Finding the Fourth Proportional to 647,601.35, 971,402.03 and 529,406.15

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Solution

The fourth proportional to 647,601.35, 971,402.03 and 529,406.15 is: 794,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,601.35 : 971,402.03 = 529,406.15 : x
  2. Step 2: Convert to fraction form
    647,601.35/971,402.03 = 529,406.15/x
  3. Step 3: Cross multiply
    647,601.35x = 971,402.03 × 529,406.15
  4. Step 4: Simplify right side
    647,601.35x = 514,266,206,157.45
  5. Step 5: Solve for x
    x = 514,266,206,157.45/647,601.35
  6. Step 6: Final answer
    x = 794,109.23

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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.