Home / 669,200.30-1,004,578.05-403,261.10

Finding the Fourth Proportional to 669,200.30, 1,004,578.05 and 403,261.10

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Solution

The fourth proportional to 669,200.30, 1,004,578.05 and 403,261.10 is: 605,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,200.30 : 1,004,578.05 = 403,261.10 : x
  2. Step 2: Convert to fraction form
    669,200.30/1,004,578.05 = 403,261.10/x
  3. Step 3: Cross multiply
    669,200.30x = 1,004,578.05 × 403,261.10
  4. Step 4: Simplify right side
    669,200.30x = 405,107,249,478.86
  5. Step 5: Solve for x
    x = 405,107,249,478.86/669,200.30
  6. Step 6: Final answer
    x = 605,360.23

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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.