Home / 748,995.20-1,123,458.24-188,017.28

Finding the Fourth Proportional to 748,995.20, 1,123,458.24 and 188,017.28

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Solution

The fourth proportional to 748,995.20, 1,123,458.24 and 188,017.28 is: 282,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,995.20 : 1,123,458.24 = 188,017.28 : x
  2. Step 2: Convert to fraction form
    748,995.20/1,123,458.24 = 188,017.28/x
  3. Step 3: Cross multiply
    748,995.20x = 1,123,458.24 × 188,017.28
  4. Step 4: Simplify right side
    748,995.20x = 211,229,562,478.39
  5. Step 5: Solve for x
    x = 211,229,562,478.39/748,995.20
  6. Step 6: Final answer
    x = 282,017.24

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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.