Home / 930,830.45-1,396,409.70-332,139.20

Finding the Fourth Proportional to 930,830.45, 1,396,409.70 and 332,139.20

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Solution

The fourth proportional to 930,830.45, 1,396,409.70 and 332,139.20 is: 498,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,830.45 : 1,396,409.70 = 332,139.20 : x
  2. Step 2: Convert to fraction form
    930,830.45/1,396,409.70 = 332,139.20/x
  3. Step 3: Cross multiply
    930,830.45x = 1,396,409.70 × 332,139.20
  4. Step 4: Simplify right side
    930,830.45x = 463,802,400,630.24
  5. Step 5: Solve for x
    x = 463,802,400,630.24/930,830.45
  6. Step 6: Final answer
    x = 498,267.33

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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.