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Finding the Fourth Proportional to 647,320.52, 970,979.43 and 174,005.93

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Solution

The fourth proportional to 647,320.52, 970,979.43 and 174,005.93 is: 261,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,320.52 : 970,979.43 = 174,005.93 : x
  2. Step 2: Convert to fraction form
    647,320.52/970,979.43 = 174,005.93/x
  3. Step 3: Cross multiply
    647,320.52x = 970,979.43 × 174,005.93
  4. Step 4: Simplify right side
    647,320.52x = 168,956,178,728.02
  5. Step 5: Solve for x
    x = 168,956,178,728.02/647,320.52
  6. Step 6: Final answer
    x = 261,008.53

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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.