Home / 842,090.88-1,263,333.36-575,976.72

Finding the Fourth Proportional to 842,090.88, 1,263,333.36 and 575,976.72

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Solution

The fourth proportional to 842,090.88, 1,263,333.36 and 575,976.72 is: 864,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,090.88 : 1,263,333.36 = 575,976.72 : x
  2. Step 2: Convert to fraction form
    842,090.88/1,263,333.36 = 575,976.72/x
  3. Step 3: Cross multiply
    842,090.88x = 1,263,333.36 × 575,976.72
  4. Step 4: Simplify right side
    842,090.88x = 727,650,604,959.38
  5. Step 5: Solve for x
    x = 727,650,604,959.38/842,090.88
  6. Step 6: Final answer
    x = 864,099.85

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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.