Home / 485,844.52-670,466.60-270,998.50

Finding the Fourth Proportional to 485,844.52, 670,466.60 and 270,998.50

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Solution

The fourth proportional to 485,844.52, 670,466.60 and 270,998.50 is: 373,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,844.52 : 670,466.60 = 270,998.50 : x
  2. Step 2: Convert to fraction form
    485,844.52/670,466.60 = 270,998.50/x
  3. Step 3: Cross multiply
    485,844.52x = 670,466.60 × 270,998.50
  4. Step 4: Simplify right side
    485,844.52x = 181,695,442,900.10
  5. Step 5: Solve for x
    x = 181,695,442,900.10/485,844.52
  6. Step 6: Final answer
    x = 373,978.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.