Home / 669,787.20-1,004,097.60-403,264.80

Finding the Fourth Proportional to 669,787.20, 1,004,097.60 and 403,264.80

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Solution

The fourth proportional to 669,787.20, 1,004,097.60 and 403,264.80 is: 604,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,787.20 : 1,004,097.60 = 403,264.80 : x
  2. Step 2: Convert to fraction form
    669,787.20/1,004,097.60 = 403,264.80/x
  3. Step 3: Cross multiply
    669,787.20x = 1,004,097.60 × 403,264.80
  4. Step 4: Simplify right side
    669,787.20x = 404,917,217,844.48
  5. Step 5: Solve for x
    x = 404,917,217,844.48/669,787.20
  6. Step 6: Final answer
    x = 604,546.07

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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.