Home / 851,768.21-1,276,390.02-345,713.51

Finding the Fourth Proportional to 851,768.21, 1,276,390.02 and 345,713.51

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Solution

The fourth proportional to 851,768.21, 1,276,390.02 and 345,713.51 is: 518,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,768.21 : 1,276,390.02 = 345,713.51 : x
  2. Step 2: Convert to fraction form
    851,768.21/1,276,390.02 = 345,713.51/x
  3. Step 3: Cross multiply
    851,768.21x = 1,276,390.02 × 345,713.51
  4. Step 4: Simplify right side
    851,768.21x = 441,265,273,943.17
  5. Step 5: Solve for x
    x = 441,265,273,943.17/851,768.21
  6. Step 6: Final answer
    x = 518,057.93

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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.