Home / 669,784.20-1,004,093.10-403,261.80

Finding the Fourth Proportional to 669,784.20, 1,004,093.10 and 403,261.80

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Solution

The fourth proportional to 669,784.20, 1,004,093.10 and 403,261.80 is: 604,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,784.20 : 1,004,093.10 = 403,261.80 : x
  2. Step 2: Convert to fraction form
    669,784.20/1,004,093.10 = 403,261.80/x
  3. Step 3: Cross multiply
    669,784.20x = 1,004,093.10 × 403,261.80
  4. Step 4: Simplify right side
    669,784.20x = 404,912,390,873.58
  5. Step 5: Solve for x
    x = 404,912,390,873.58/669,784.20
  6. Step 6: Final answer
    x = 604,541.57

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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.