Home / 669,905.40-1,005,149.70-337,481.40

Finding the Fourth Proportional to 669,905.40, 1,005,149.70 and 337,481.40

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Solution

The fourth proportional to 669,905.40, 1,005,149.70 and 337,481.40 is: 506,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,905.40 : 1,005,149.70 = 337,481.40 : x
  2. Step 2: Convert to fraction form
    669,905.40/1,005,149.70 = 337,481.40/x
  3. Step 3: Cross multiply
    669,905.40x = 1,005,149.70 × 337,481.40
  4. Step 4: Simplify right side
    669,905.40x = 339,219,327,965.58
  5. Step 5: Solve for x
    x = 339,219,327,965.58/669,905.40
  6. Step 6: Final answer
    x = 506,369.00

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1.5x scale

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.