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Finding the Fourth Proportional to 644,803.20, 967,204.80 and 593,627.40

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Solution

The fourth proportional to 644,803.20, 967,204.80 and 593,627.40 is: 890,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,803.20 : 967,204.80 = 593,627.40 : x
  2. Step 2: Convert to fraction form
    644,803.20/967,204.80 = 593,627.40/x
  3. Step 3: Cross multiply
    644,803.20x = 967,204.80 × 593,627.40
  4. Step 4: Simplify right side
    644,803.20x = 574,159,270,691.52
  5. Step 5: Solve for x
    x = 574,159,270,691.52/644,803.20
  6. Step 6: Final answer
    x = 890,441.10

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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.