Home / 940,263.36-1,297,380.96-558,409.92

Finding the Fourth Proportional to 940,263.36, 1,297,380.96 and 558,409.92

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Solution

The fourth proportional to 940,263.36, 1,297,380.96 and 558,409.92 is: 770,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,263.36 : 1,297,380.96 = 558,409.92 : x
  2. Step 2: Convert to fraction form
    940,263.36/1,297,380.96 = 558,409.92/x
  3. Step 3: Cross multiply
    940,263.36x = 1,297,380.96 × 558,409.92
  4. Step 4: Simplify right side
    940,263.36x = 724,470,398,083.12
  5. Step 5: Solve for x
    x = 724,470,398,083.12/940,263.36
  6. Step 6: Final answer
    x = 770,497.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.