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Finding the Fourth Proportional to 647,520.48, 971,047.44 and 273,572.64

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Solution

The fourth proportional to 647,520.48, 971,047.44 and 273,572.64 is: 410,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,520.48 : 971,047.44 = 273,572.64 : x
  2. Step 2: Convert to fraction form
    647,520.48/971,047.44 = 273,572.64/x
  3. Step 3: Cross multiply
    647,520.48x = 971,047.44 × 273,572.64
  4. Step 4: Simplify right side
    647,520.48x = 265,652,011,726.04
  5. Step 5: Solve for x
    x = 265,652,011,726.04/647,520.48
  6. Step 6: Final answer
    x = 410,260.40

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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.