Home / 788,598.92-1,183,237.32-256,283.12

Finding the Fourth Proportional to 788,598.92, 1,183,237.32 and 256,283.12

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Solution

The fourth proportional to 788,598.92, 1,183,237.32 and 256,283.12 is: 384,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,598.92 : 1,183,237.32 = 256,283.12 : x
  2. Step 2: Convert to fraction form
    788,598.92/1,183,237.32 = 256,283.12/x
  3. Step 3: Cross multiply
    788,598.92x = 1,183,237.32 × 256,283.12
  4. Step 4: Simplify right side
    788,598.92x = 303,243,752,070.04
  5. Step 5: Solve for x
    x = 303,243,752,070.04/788,598.92
  6. Step 6: Final answer
    x = 384,534.83

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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.