Home / 748,996.20-1,123,459.74-188,018.28

Finding the Fourth Proportional to 748,996.20, 1,123,459.74 and 188,018.28

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Solution

The fourth proportional to 748,996.20, 1,123,459.74 and 188,018.28 is: 282,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,996.20 : 1,123,459.74 = 188,018.28 : x
  2. Step 2: Convert to fraction form
    748,996.20/1,123,459.74 = 188,018.28/x
  3. Step 3: Cross multiply
    748,996.20x = 1,123,459.74 × 188,018.28
  4. Step 4: Simplify right side
    748,996.20x = 211,230,967,964.05
  5. Step 5: Solve for x
    x = 211,230,967,964.05/748,996.20
  6. Step 6: Final answer
    x = 282,018.74

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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.