Home / 669,200.40-1,003,217.40-403,066.80

Finding the Fourth Proportional to 669,200.40, 1,003,217.40 and 403,066.80

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Solution

The fourth proportional to 669,200.40, 1,003,217.40 and 403,066.80 is: 604,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,200.40 : 1,003,217.40 = 403,066.80 : x
  2. Step 2: Convert to fraction form
    669,200.40/1,003,217.40 = 403,066.80/x
  3. Step 3: Cross multiply
    669,200.40x = 1,003,217.40 × 403,066.80
  4. Step 4: Simplify right side
    669,200.40x = 404,363,627,122.32
  5. Step 5: Solve for x
    x = 404,363,627,122.32/669,200.40
  6. Step 6: Final answer
    x = 604,248.93

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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.