Home / 670,625.20-1,005,937.80-493,915.60

Finding the Fourth Proportional to 670,625.20, 1,005,937.80 and 493,915.60

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Solution

The fourth proportional to 670,625.20, 1,005,937.80 and 493,915.60 is: 740,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,625.20 : 1,005,937.80 = 493,915.60 : x
  2. Step 2: Convert to fraction form
    670,625.20/1,005,937.80 = 493,915.60/x
  3. Step 3: Cross multiply
    670,625.20x = 1,005,937.80 × 493,915.60
  4. Step 4: Simplify right side
    670,625.20x = 496,848,372,049.68
  5. Step 5: Solve for x
    x = 496,848,372,049.68/670,625.20
  6. Step 6: Final answer
    x = 740,873.40

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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.