Home / 670,624.20-1,005,936.30-493,914.60

Finding the Fourth Proportional to 670,624.20, 1,005,936.30 and 493,914.60

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Solution

The fourth proportional to 670,624.20, 1,005,936.30 and 493,914.60 is: 740,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,624.20 : 1,005,936.30 = 493,914.60 : x
  2. Step 2: Convert to fraction form
    670,624.20/1,005,936.30 = 493,914.60/x
  3. Step 3: Cross multiply
    670,624.20x = 1,005,936.30 × 493,914.60
  4. Step 4: Simplify right side
    670,624.20x = 496,846,625,239.98
  5. Step 5: Solve for x
    x = 496,846,625,239.98/670,624.20
  6. Step 6: Final answer
    x = 740,871.90

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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.