Home / 834,122.97-1,251,172.77-328,688.34

Finding the Fourth Proportional to 834,122.97, 1,251,172.77 and 328,688.34

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Solution

The fourth proportional to 834,122.97, 1,251,172.77 and 328,688.34 is: 493,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,122.97 : 1,251,172.77 = 328,688.34 : x
  2. Step 2: Convert to fraction form
    834,122.97/1,251,172.77 = 328,688.34/x
  3. Step 3: Cross multiply
    834,122.97x = 1,251,172.77 × 328,688.34
  4. Step 4: Simplify right side
    834,122.97x = 411,245,900,824.50
  5. Step 5: Solve for x
    x = 411,245,900,824.50/834,122.97
  6. Step 6: Final answer
    x = 493,027.91

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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.