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Finding the Fourth Proportional to 550,350.40, 759,592.64 and 356,997.76

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Solution

The fourth proportional to 550,350.40, 759,592.64 and 356,997.76 is: 492,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,350.40 : 759,592.64 = 356,997.76 : x
  2. Step 2: Convert to fraction form
    550,350.40/759,592.64 = 356,997.76/x
  3. Step 3: Cross multiply
    550,350.40x = 759,592.64 × 356,997.76
  4. Step 4: Simplify right side
    550,350.40x = 271,172,870,992.49
  5. Step 5: Solve for x
    x = 271,172,870,992.49/550,350.40
  6. Step 6: Final answer
    x = 492,727.67

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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.