Home / 834,824.90-1,252,835.23-355,388.84

Finding the Fourth Proportional to 834,824.90, 1,252,835.23 and 355,388.84

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Solution

The fourth proportional to 834,824.90, 1,252,835.23 and 355,388.84 is: 533,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,824.90 : 1,252,835.23 = 355,388.84 : x
  2. Step 2: Convert to fraction form
    834,824.90/1,252,835.23 = 355,388.84/x
  3. Step 3: Cross multiply
    834,824.90x = 1,252,835.23 × 355,388.84
  4. Step 4: Simplify right side
    834,824.90x = 445,243,652,836.66
  5. Step 5: Solve for x
    x = 445,243,652,836.66/834,824.90
  6. Step 6: Final answer
    x = 533,337.78

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1.5x scale

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.