Home / 880,110.54-1,320,450.12-407,106.18

Finding the Fourth Proportional to 880,110.54, 1,320,450.12 and 407,106.18

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Solution

The fourth proportional to 880,110.54, 1,320,450.12 and 407,106.18 is: 610,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,110.54 : 1,320,450.12 = 407,106.18 : x
  2. Step 2: Convert to fraction form
    880,110.54/1,320,450.12 = 407,106.18/x
  3. Step 3: Cross multiply
    880,110.54x = 1,320,450.12 × 407,106.18
  4. Step 4: Simplify right side
    880,110.54x = 537,563,404,233.74
  5. Step 5: Solve for x
    x = 537,563,404,233.74/880,110.54
  6. Step 6: Final answer
    x = 610,790.78

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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.