Home / 742,936.08-1,114,564.14-230,590.56

Finding the Fourth Proportional to 742,936.08, 1,114,564.14 and 230,590.56

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Solution

The fourth proportional to 742,936.08, 1,114,564.14 and 230,590.56 is: 345,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,936.08 : 1,114,564.14 = 230,590.56 : x
  2. Step 2: Convert to fraction form
    742,936.08/1,114,564.14 = 230,590.56/x
  3. Step 3: Cross multiply
    742,936.08x = 1,114,564.14 × 230,590.56
  4. Step 4: Simplify right side
    742,936.08x = 257,007,969,198.52
  5. Step 5: Solve for x
    x = 257,007,969,198.52/742,936.08
  6. Step 6: Final answer
    x = 345,935.51

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Half scale
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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.