Home / 873,261.40-1,307,267.70-518,092.60

Finding the Fourth Proportional to 873,261.40, 1,307,267.70 and 518,092.60

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Solution

The fourth proportional to 873,261.40, 1,307,267.70 and 518,092.60 is: 775,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,261.40 : 1,307,267.70 = 518,092.60 : x
  2. Step 2: Convert to fraction form
    873,261.40/1,307,267.70 = 518,092.60/x
  3. Step 3: Cross multiply
    873,261.40x = 1,307,267.70 × 518,092.60
  4. Step 4: Simplify right side
    873,261.40x = 677,285,721,589.02
  5. Step 5: Solve for x
    x = 677,285,721,589.02/873,261.40
  6. Step 6: Final answer
    x = 775,581.88

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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.