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Finding the Fourth Proportional to 404,451.60, 606,677.40 and 254,860.80

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Solution

The fourth proportional to 404,451.60, 606,677.40 and 254,860.80 is: 382,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,451.60 : 606,677.40 = 254,860.80 : x
  2. Step 2: Convert to fraction form
    404,451.60/606,677.40 = 254,860.80/x
  3. Step 3: Cross multiply
    404,451.60x = 606,677.40 × 254,860.80
  4. Step 4: Simplify right side
    404,451.60x = 154,618,287,505.92
  5. Step 5: Solve for x
    x = 154,618,287,505.92/404,451.60
  6. Step 6: Final answer
    x = 382,291.20

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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.