Home / 669,546.40-1,003,244.40-353,591.20

Finding the Fourth Proportional to 669,546.40, 1,003,244.40 and 353,591.20

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Solution

The fourth proportional to 669,546.40, 1,003,244.40 and 353,591.20 is: 529,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,546.40 : 1,003,244.40 = 353,591.20 : x
  2. Step 2: Convert to fraction form
    669,546.40/1,003,244.40 = 353,591.20/x
  3. Step 3: Cross multiply
    669,546.40x = 1,003,244.40 × 353,591.20
  4. Step 4: Simplify right side
    669,546.40x = 354,738,391,289.28
  5. Step 5: Solve for x
    x = 354,738,391,289.28/669,546.40
  6. Step 6: Final answer
    x = 529,818.98

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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.