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Finding the Fourth Proportional to 503,713.60, 754,914.30 and 203,948.80

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Solution

The fourth proportional to 503,713.60, 754,914.30 and 203,948.80 is: 305,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,713.60 : 754,914.30 = 203,948.80 : x
  2. Step 2: Convert to fraction form
    503,713.60/754,914.30 = 203,948.80/x
  3. Step 3: Cross multiply
    503,713.60x = 754,914.30 × 203,948.80
  4. Step 4: Simplify right side
    503,713.60x = 153,963,865,587.84
  5. Step 5: Solve for x
    x = 153,963,865,587.84/503,713.60
  6. Step 6: Final answer
    x = 305,657.55

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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.