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Finding the Fourth Proportional to 493,039.36, 739,559.04 and 197,758.72

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Solution

The fourth proportional to 493,039.36, 739,559.04 and 197,758.72 is: 296,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,039.36 : 739,559.04 = 197,758.72 : x
  2. Step 2: Convert to fraction form
    493,039.36/739,559.04 = 197,758.72/x
  3. Step 3: Cross multiply
    493,039.36x = 739,559.04 × 197,758.72
  4. Step 4: Simplify right side
    493,039.36x = 146,254,249,114.83
  5. Step 5: Solve for x
    x = 146,254,249,114.83/493,039.36
  6. Step 6: Final answer
    x = 296,638.08

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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.