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Finding the Fourth Proportional to 503,402.40, 755,103.60 and 304,336.80

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Solution

The fourth proportional to 503,402.40, 755,103.60 and 304,336.80 is: 456,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,402.40 : 755,103.60 = 304,336.80 : x
  2. Step 2: Convert to fraction form
    503,402.40/755,103.60 = 304,336.80/x
  3. Step 3: Cross multiply
    503,402.40x = 755,103.60 × 304,336.80
  4. Step 4: Simplify right side
    503,402.40x = 229,805,813,292.48
  5. Step 5: Solve for x
    x = 229,805,813,292.48/503,402.40
  6. Step 6: Final answer
    x = 456,505.20

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Similar ratio
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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.