Home / 669,846.60-1,005,936.30-354,918.60

Finding the Fourth Proportional to 669,846.60, 1,005,936.30 and 354,918.60

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Solution

The fourth proportional to 669,846.60, 1,005,936.30 and 354,918.60 is: 532,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,846.60 : 1,005,936.30 = 354,918.60 : x
  2. Step 2: Convert to fraction form
    669,846.60/1,005,936.30 = 354,918.60/x
  3. Step 3: Cross multiply
    669,846.60x = 1,005,936.30 × 354,918.60
  4. Step 4: Simplify right side
    669,846.60x = 357,025,503,285.18
  5. Step 5: Solve for x
    x = 357,025,503,285.18/669,846.60
  6. Step 6: Final answer
    x = 532,995.92

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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.