Home / 788,815.70-1,183,396.35-256,246.10

Finding the Fourth Proportional to 788,815.70, 1,183,396.35 and 256,246.10

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Solution

The fourth proportional to 788,815.70, 1,183,396.35 and 256,246.10 is: 384,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,815.70 : 1,183,396.35 = 256,246.10 : x
  2. Step 2: Convert to fraction form
    788,815.70/1,183,396.35 = 256,246.10/x
  3. Step 3: Cross multiply
    788,815.70x = 1,183,396.35 × 256,246.10
  4. Step 4: Simplify right side
    788,815.70x = 303,240,699,441.74
  5. Step 5: Solve for x
    x = 303,240,699,441.74/788,815.70
  6. Step 6: Final answer
    x = 384,425.28

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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.