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Finding the Fourth Proportional to 550,351.40, 759,594.02 and 356,998.76

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Solution

The fourth proportional to 550,351.40, 759,594.02 and 356,998.76 is: 492,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,351.40 : 759,594.02 = 356,998.76 : x
  2. Step 2: Convert to fraction form
    550,351.40/759,594.02 = 356,998.76/x
  3. Step 3: Cross multiply
    550,351.40x = 759,594.02 × 356,998.76
  4. Step 4: Simplify right side
    550,351.40x = 271,174,123,243.42
  5. Step 5: Solve for x
    x = 271,174,123,243.42/550,351.40
  6. Step 6: Final answer
    x = 492,729.05

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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.