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Finding the Fourth Proportional to 644,492.60, 966,738.90 and 597,836.60

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Solution

The fourth proportional to 644,492.60, 966,738.90 and 597,836.60 is: 896,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,492.60 : 966,738.90 = 597,836.60 : x
  2. Step 2: Convert to fraction form
    644,492.60/966,738.90 = 597,836.60/x
  3. Step 3: Cross multiply
    644,492.60x = 966,738.90 × 597,836.60
  4. Step 4: Simplify right side
    644,492.60x = 577,951,897,063.74
  5. Step 5: Solve for x
    x = 577,951,897,063.74/644,492.60
  6. Step 6: Final answer
    x = 896,754.90

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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.