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Finding the Fourth Proportional to 503,670.60, 754,849.80 and 203,905.80

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Solution

The fourth proportional to 503,670.60, 754,849.80 and 203,905.80 is: 305,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,670.60 : 754,849.80 = 203,905.80 : x
  2. Step 2: Convert to fraction form
    503,670.60/754,849.80 = 203,905.80/x
  3. Step 3: Cross multiply
    503,670.60x = 754,849.80 × 203,905.80
  4. Step 4: Simplify right side
    503,670.60x = 153,918,252,348.84
  5. Step 5: Solve for x
    x = 153,918,252,348.84/503,670.60
  6. Step 6: Final answer
    x = 305,593.08

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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.