Home / 494,631.20-741,946.80-317,484.20

Finding the Fourth Proportional to 494,631.20, 741,946.80 and 317,484.20

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Solution

The fourth proportional to 494,631.20, 741,946.80 and 317,484.20 is: 476,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,631.20 : 741,946.80 = 317,484.20 : x
  2. Step 2: Convert to fraction form
    494,631.20/741,946.80 = 317,484.20/x
  3. Step 3: Cross multiply
    494,631.20x = 741,946.80 × 317,484.20
  4. Step 4: Simplify right side
    494,631.20x = 235,556,386,240.56
  5. Step 5: Solve for x
    x = 235,556,386,240.56/494,631.20
  6. Step 6: Final answer
    x = 476,226.30

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Double scale
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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.