Home / 748,045.44-1,121,319.96-268,142.76

Finding the Fourth Proportional to 748,045.44, 1,121,319.96 and 268,142.76

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Solution

The fourth proportional to 748,045.44, 1,121,319.96 and 268,142.76 is: 401,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,045.44 : 1,121,319.96 = 268,142.76 : x
  2. Step 2: Convert to fraction form
    748,045.44/1,121,319.96 = 268,142.76/x
  3. Step 3: Cross multiply
    748,045.44x = 1,121,319.96 × 268,142.76
  4. Step 4: Simplify right side
    748,045.44x = 300,673,828,917.49
  5. Step 5: Solve for x
    x = 300,673,828,917.49/748,045.44
  6. Step 6: Final answer
    x = 401,945.94

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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.