Home / 834,716.10-1,251,527.40-328,972.35

Finding the Fourth Proportional to 834,716.10, 1,251,527.40 and 328,972.35

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Solution

The fourth proportional to 834,716.10, 1,251,527.40 and 328,972.35 is: 493,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,716.10 : 1,251,527.40 = 328,972.35 : x
  2. Step 2: Convert to fraction form
    834,716.10/1,251,527.40 = 328,972.35/x
  3. Step 3: Cross multiply
    834,716.10x = 1,251,527.40 × 328,972.35
  4. Step 4: Simplify right side
    834,716.10x = 411,717,909,867.39
  5. Step 5: Solve for x
    x = 411,717,909,867.39/834,716.10
  6. Step 6: Final answer
    x = 493,243.04

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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.