Home / 493,288.40-739,932.60-257,092.40

Finding the Fourth Proportional to 493,288.40, 739,932.60 and 257,092.40

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Solution

The fourth proportional to 493,288.40, 739,932.60 and 257,092.40 is: 385,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,288.40 : 739,932.60 = 257,092.40 : x
  2. Step 2: Convert to fraction form
    493,288.40/739,932.60 = 257,092.40/x
  3. Step 3: Cross multiply
    493,288.40x = 739,932.60 × 257,092.40
  4. Step 4: Simplify right side
    493,288.40x = 190,231,047,972.24
  5. Step 5: Solve for x
    x = 190,231,047,972.24/493,288.40
  6. Step 6: Final answer
    x = 385,638.60

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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.