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Finding the Fourth Proportional to 370,622.40, 555,933.60 and 329,288.10

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Solution

The fourth proportional to 370,622.40, 555,933.60 and 329,288.10 is: 493,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,622.40 : 555,933.60 = 329,288.10 : x
  2. Step 2: Convert to fraction form
    370,622.40/555,933.60 = 329,288.10/x
  3. Step 3: Cross multiply
    370,622.40x = 555,933.60 × 329,288.10
  4. Step 4: Simplify right side
    370,622.40x = 183,062,318,870.16
  5. Step 5: Solve for x
    x = 183,062,318,870.16/370,622.40
  6. Step 6: Final answer
    x = 493,932.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.