Home / 755,971.38-1,133,357.67-396,073.22

Finding the Fourth Proportional to 755,971.38, 1,133,357.67 and 396,073.22

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Solution

The fourth proportional to 755,971.38, 1,133,357.67 and 396,073.22 is: 593,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,971.38 : 1,133,357.67 = 396,073.22 : x
  2. Step 2: Convert to fraction form
    755,971.38/1,133,357.67 = 396,073.22/x
  3. Step 3: Cross multiply
    755,971.38x = 1,133,357.67 × 396,073.22
  4. Step 4: Simplify right side
    755,971.38x = 448,892,616,101.81
  5. Step 5: Solve for x
    x = 448,892,616,101.81/755,971.38
  6. Step 6: Final answer
    x = 593,795.78

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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.