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Finding the Fourth Proportional to 604,736.40, 907,200.60 and 205,414.80

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Solution

The fourth proportional to 604,736.40, 907,200.60 and 205,414.80 is: 308,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,736.40 : 907,200.60 = 205,414.80 : x
  2. Step 2: Convert to fraction form
    604,736.40/907,200.60 = 205,414.80/x
  3. Step 3: Cross multiply
    604,736.40x = 907,200.60 × 205,414.80
  4. Step 4: Simplify right side
    604,736.40x = 186,352,429,808.88
  5. Step 5: Solve for x
    x = 186,352,429,808.88/604,736.40
  6. Step 6: Final answer
    x = 308,154.81

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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.