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Finding the Fourth Proportional to 550,262.76, 759,040.08 and 345,989.94

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Solution

The fourth proportional to 550,262.76, 759,040.08 and 345,989.94 is: 477,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,262.76 : 759,040.08 = 345,989.94 : x
  2. Step 2: Convert to fraction form
    550,262.76/759,040.08 = 345,989.94/x
  3. Step 3: Cross multiply
    550,262.76x = 759,040.08 × 345,989.94
  4. Step 4: Simplify right side
    550,262.76x = 262,620,231,736.80
  5. Step 5: Solve for x
    x = 262,620,231,736.80/550,262.76
  6. Step 6: Final answer
    x = 477,263.32

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1.5x scale

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.